20164555840

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{6577}}^1$

素因数の和:6685

約数の個数: 224

約数和(自身を含む): 57262068864

約数和(自身を除く): 37097513024

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 67, 80, 88, 104, 110, 130, 134, 143, 160, 176, 208, 220, 260, 268, 286, 320, 335, 352, 416, 440, 520, 536, 572, 670, 704, 715, 737, 832, 871, 880, 1040, 1072, 1144, 1340, 1430, 1474, 1742, 1760, 2080, 2144, 2288, 2680, 2860, 2948, 3484, 3520, 3685, 4160, 4288, 4355, 4576, 5360, 5720, 5896, 6577, 6968, 7370, 8710, 9152, 9581, 10720, 11440, 11792, 13154, 13936, 14740, 17420, 19162, 21440, 22880, 23584, 26308, 27872, 29480, 32885, 34840, 38324, 45760, 47168, 47905, 52616, 55744, 58960, 65770, 69680, 72347, 76648, 85501, 95810, 105232, 117920, 131540, 139360, 144694, 153296, 171002, 191620, 210464, 235840, 263080, 278720, 289388, 306592, 342004, 361735, 383240, 420928, 427505, 440659, 526160, 578776, 613184, 684008, 723470, 766480, 855010, 881318, 940511, 1052320, 1157552, 1368016, 1446940, 1532960, 1710020, 1762636, 1881022, 2104640, 2203295, 2315104, 2736032, 2893880, 3065920, 3420040, 3525272, 3762044, 4406590, 4630208, 4702555, 4847249, 5472064, 5728567, 5787760, 6840080, 7050544, 7524088, 8813180, 9405110, 9694498, 11457134, 11575520, 13680160, 14101088, 15048176, 17626360, 18810220, 19388996, 22914268, 23151040, 24236245, 27360320, 28202176, 28642835, 30096352, 35252720, 37620440, 38777992, 45828536, 48472490, 57285670, 60192704, 63014237, 70505440, 75240880, 77555984, 91657072, 96944980, 114571340, 126028474, 141010880, 150481760, 155111968, 183314144, 193889960, 229142680, 252056948, 300963520, 310223936, 315071185, 366628288, 387779920, 458285360, 504113896, 630142370, 775559840, 916570720, 1008227792, 1260284740, 1551119680, 1833141440, 2016455584, 2520569480, 4032911168, 5041138960, 10082277920, 20164555840]

約数ペア:

[(1, 20164555840), (2, 10082277920), (4, 5041138960), (5, 4032911168), (8, 2520569480), (10, 2016455584), (11, 1833141440), (13, 1551119680), (16, 1260284740), (20, 1008227792), (22, 916570720), (26, 775559840), (32, 630142370), (40, 504113896), (44, 458285360), (52, 387779920), (55, 366628288), (64, 315071185), (65, 310223936), (67, 300963520), (80, 252056948), (88, 229142680), (104, 193889960), (110, 183314144), (130, 155111968), (134, 150481760), (143, 141010880), (160, 126028474), (176, 114571340), (208, 96944980), (220, 91657072), (260, 77555984), (268, 75240880), (286, 70505440), (320, 63014237), (335, 60192704), (352, 57285670), (416, 48472490), (440, 45828536), (520, 38777992), (536, 37620440), (572, 35252720), (670, 30096352), (704, 28642835), (715, 28202176), (737, 27360320), (832, 24236245), (871, 23151040), (880, 22914268), (1040, 19388996), (1072, 18810220), (1144, 17626360), (1340, 15048176), (1430, 14101088), (1474, 13680160), (1742, 11575520), (1760, 11457134), (2080, 9694498), (2144, 9405110), (2288, 8813180), (2680, 7524088), (2860, 7050544), (2948, 6840080), (3484, 5787760), (3520, 5728567), (3685, 5472064), (4160, 4847249), (4288, 4702555), (4355, 4630208), (4576, 4406590), (5360, 3762044), (5720, 3525272), (5896, 3420040), (6577, 3065920), (6968, 2893880), (7370, 2736032), (8710, 2315104), (9152, 2203295), (9581, 2104640), (10720, 1881022), (11440, 1762636), (11792, 1710020), (13154, 1532960), (13936, 1446940), (14740, 1368016), (17420, 1157552), (19162, 1052320), (21440, 940511), (22880, 881318), (23584, 855010), (26308, 766480), (27872, 723470), (29480, 684008), (32885, 613184), (34840, 578776), (38324, 526160), (45760, 440659), (47168, 427505), (47905, 420928), (52616, 383240), (55744, 361735), (58960, 342004), (65770, 306592), (69680, 289388), (72347, 278720), (76648, 263080), (85501, 235840), (95810, 210464), (105232, 191620), (117920, 171002), (131540, 153296), (139360, 144694)]