20574840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:158

約数の個数: 192

約数和(自身を含む): 73735200

約数和(自身を除く): 53160360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 109, 110, 120, 121, 130, 132, 143, 156, 165, 195, 218, 220, 242, 260, 264, 286, 312, 327, 330, 363, 390, 429, 436, 440, 484, 520, 545, 572, 605, 654, 660, 715, 726, 780, 858, 872, 968, 1090, 1144, 1199, 1210, 1308, 1320, 1417, 1430, 1452, 1560, 1573, 1635, 1716, 1815, 2145, 2180, 2398, 2420, 2616, 2834, 2860, 2904, 3146, 3270, 3432, 3597, 3630, 4251, 4290, 4360, 4719, 4796, 4840, 5668, 5720, 5995, 6292, 6540, 7085, 7194, 7260, 7865, 8502, 8580, 9438, 9592, 11336, 11990, 12584, 13080, 13189, 14170, 14388, 14520, 15587, 15730, 17004, 17160, 17985, 18876, 21255, 23595, 23980, 26378, 28340, 28776, 31174, 31460, 34008, 35970, 37752, 39567, 42510, 46761, 47190, 47960, 52756, 56680, 62348, 62920, 65945, 71940, 77935, 79134, 85020, 93522, 94380, 105512, 124696, 131890, 143880, 155870, 158268, 170040, 171457, 187044, 188760, 197835, 233805, 263780, 311740, 316536, 342914, 374088, 395670, 467610, 514371, 527560, 623480, 685828, 791340, 857285, 935220, 1028742, 1371656, 1582680, 1714570, 1870440, 2057484, 2571855, 3429140, 4114968, 5143710, 6858280, 10287420, 20574840]

約数ペア:

[(1, 20574840), (2, 10287420), (3, 6858280), (4, 5143710), (5, 4114968), (6, 3429140), (8, 2571855), (10, 2057484), (11, 1870440), (12, 1714570), (13, 1582680), (15, 1371656), (20, 1028742), (22, 935220), (24, 857285), (26, 791340), (30, 685828), (33, 623480), (39, 527560), (40, 514371), (44, 467610), (52, 395670), (55, 374088), (60, 342914), (65, 316536), (66, 311740), (78, 263780), (88, 233805), (104, 197835), (109, 188760), (110, 187044), (120, 171457), (121, 170040), (130, 158268), (132, 155870), (143, 143880), (156, 131890), (165, 124696), (195, 105512), (218, 94380), (220, 93522), (242, 85020), (260, 79134), (264, 77935), (286, 71940), (312, 65945), (327, 62920), (330, 62348), (363, 56680), (390, 52756), (429, 47960), (436, 47190), (440, 46761), (484, 42510), (520, 39567), (545, 37752), (572, 35970), (605, 34008), (654, 31460), (660, 31174), (715, 28776), (726, 28340), (780, 26378), (858, 23980), (872, 23595), (968, 21255), (1090, 18876), (1144, 17985), (1199, 17160), (1210, 17004), (1308, 15730), (1320, 15587), (1417, 14520), (1430, 14388), (1452, 14170), (1560, 13189), (1573, 13080), (1635, 12584), (1716, 11990), (1815, 11336), (2145, 9592), (2180, 9438), (2398, 8580), (2420, 8502), (2616, 7865), (2834, 7260), (2860, 7194), (2904, 7085), (3146, 6540), (3270, 6292), (3432, 5995), (3597, 5720), (3630, 5668), (4251, 4840), (4290, 4796), (4360, 4719)]