20123984520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{22807}}^1$

素因数の和:22889

約数の個数: 256

約数和(自身を含む): 72255744000

約数和(自身を除く): 52131759480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 43, 45, 54, 57, 60, 72, 76, 86, 90, 95, 108, 114, 120, 129, 135, 152, 171, 172, 180, 190, 215, 216, 228, 258, 270, 285, 342, 344, 360, 380, 387, 430, 456, 513, 516, 540, 570, 645, 684, 760, 774, 817, 855, 860, 1026, 1032, 1080, 1140, 1161, 1290, 1368, 1548, 1634, 1710, 1720, 1935, 2052, 2280, 2322, 2451, 2565, 2580, 3096, 3268, 3420, 3870, 4085, 4104, 4644, 4902, 5130, 5160, 5805, 6536, 6840, 7353, 7740, 8170, 9288, 9804, 10260, 11610, 12255, 14706, 15480, 16340, 19608, 20520, 22059, 22807, 23220, 24510, 29412, 32680, 36765, 44118, 45614, 46440, 49020, 58824, 68421, 73530, 88236, 91228, 98040, 110295, 114035, 136842, 147060, 176472, 182456, 205263, 220590, 228070, 273684, 294120, 342105, 410526, 433333, 441180, 456140, 547368, 615789, 684210, 821052, 866666, 882360, 912280, 980701, 1026315, 1231578, 1299999, 1368420, 1642104, 1733332, 1961402, 2052630, 2166665, 2463156, 2599998, 2736840, 2942103, 3078945, 3466664, 3899997, 3922804, 4105260, 4333330, 4903505, 4926312, 5199996, 5884206, 6157890, 6499995, 7799994, 7845608, 8210520, 8666660, 8826309, 9807010, 10399992, 11699991, 11768412, 12315780, 12999990, 14710515, 15599988, 17333320, 17652618, 18633319, 19499985, 19614020, 23399982, 23536824, 24631560, 25999980, 26478927, 29421030, 31199976, 35305236, 37266638, 38999970, 39228040, 44131545, 46799964, 51999960, 52957854, 55899957, 58499955, 58842060, 70610472, 74533276, 77999940, 88263090, 93166595, 93599928, 105915708, 111799914, 116999910, 117684120, 132394635, 149066552, 155999880, 167699871, 176526180, 186333190, 211831416, 223599828, 233999820, 264789270, 279499785, 335399742, 353052360, 372666380, 447199656, 467999640, 503099613, 529578540, 558999570, 670799484, 745332760, 838499355, 1006199226, 1059157080, 1117999140, 1341598968, 1676998710, 2012398452, 2235998280, 2515498065, 3353997420, 4024796904, 5030996130, 6707994840, 10061992260, 20123984520]

約数ペア:

[(1, 20123984520), (2, 10061992260), (3, 6707994840), (4, 5030996130), (5, 4024796904), (6, 3353997420), (8, 2515498065), (9, 2235998280), (10, 2012398452), (12, 1676998710), (15, 1341598968), (18, 1117999140), (19, 1059157080), (20, 1006199226), (24, 838499355), (27, 745332760), (30, 670799484), (36, 558999570), (38, 529578540), (40, 503099613), (43, 467999640), (45, 447199656), (54, 372666380), (57, 353052360), (60, 335399742), (72, 279499785), (76, 264789270), (86, 233999820), (90, 223599828), (95, 211831416), (108, 186333190), (114, 176526180), (120, 167699871), (129, 155999880), (135, 149066552), (152, 132394635), (171, 117684120), (172, 116999910), (180, 111799914), (190, 105915708), (215, 93599928), (216, 93166595), (228, 88263090), (258, 77999940), (270, 74533276), (285, 70610472), (342, 58842060), (344, 58499955), (360, 55899957), (380, 52957854), (387, 51999960), (430, 46799964), (456, 44131545), (513, 39228040), (516, 38999970), (540, 37266638), (570, 35305236), (645, 31199976), (684, 29421030), (760, 26478927), (774, 25999980), (817, 24631560), (855, 23536824), (860, 23399982), (1026, 19614020), (1032, 19499985), (1080, 18633319), (1140, 17652618), (1161, 17333320), (1290, 15599988), (1368, 14710515), (1548, 12999990), (1634, 12315780), (1710, 11768412), (1720, 11699991), (1935, 10399992), (2052, 9807010), (2280, 8826309), (2322, 8666660), (2451, 8210520), (2565, 7845608), (2580, 7799994), (3096, 6499995), (3268, 6157890), (3420, 5884206), (3870, 5199996), (4085, 4926312), (4104, 4903505), (4644, 4333330), (4902, 4105260), (5130, 3922804), (5160, 3899997), (5805, 3466664), (6536, 3078945), (6840, 2942103), (7353, 2736840), (7740, 2599998), (8170, 2463156), (9288, 2166665), (9804, 2052630), (10260, 1961402), (11610, 1733332), (12255, 1642104), (14706, 1368420), (15480, 1299999), (16340, 1231578), (19608, 1026315), (20520, 980701), (22059, 912280), (22807, 882360), (23220, 866666), (24510, 821052), (29412, 684210), (32680, 615789), (36765, 547368), (44118, 456140), (45614, 441180), (46440, 433333), (49020, 410526), (58824, 342105), (68421, 294120), (73530, 273684), (88236, 228070), (91228, 220590), (98040, 205263), (110295, 182456), (114035, 176472), (136842, 147060)]