20735179920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{316471}}^1$

素因数の和:316510

約数の個数: 240

約数和(自身を含む): 85705681152

約数和(自身を除く): 64970501232

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 168, 180, 182, 195, 208, 210, 234, 240, 252, 260, 273, 280, 312, 315, 336, 360, 364, 390, 420, 455, 468, 504, 520, 546, 560, 585, 624, 630, 720, 728, 780, 819, 840, 910, 936, 1008, 1040, 1092, 1170, 1260, 1365, 1456, 1560, 1638, 1680, 1820, 1872, 2184, 2340, 2520, 2730, 3120, 3276, 3640, 4095, 4368, 4680, 5040, 5460, 6552, 7280, 8190, 9360, 10920, 13104, 16380, 21840, 32760, 65520, 316471, 632942, 949413, 1265884, 1582355, 1898826, 2215297, 2531768, 2848239, 3164710, 3797652, 4114123, 4430594, 4747065, 5063536, 5696478, 6329420, 6645891, 7595304, 8228246, 8861188, 9494130, 11076485, 11392956, 12342369, 12658840, 13291782, 14241195, 15190608, 16456492, 17722376, 18988260, 19937673, 20570615, 22152970, 22785912, 24684738, 25317680, 26583564, 28482390, 28798861, 32912984, 33229455, 35444752, 37027107, 37976520, 39875346, 41141230, 44305940, 45571824, 49369476, 53167128, 56964780, 57597722, 61711845, 65825968, 66458910, 74054214, 75953040, 79750692, 82282460, 86396583, 88611880, 98738952, 99688365, 106334256, 113929560, 115195444, 123423690, 132917820, 143994305, 148108428, 159501384, 164564920, 172793166, 177223760, 185135535, 197477904, 199376730, 227859120, 230390888, 246847380, 259189749, 265835640, 287988610, 296216856, 319002768, 329129840, 345586332, 370271070, 398753460, 431982915, 460781776, 493694760, 518379498, 531671280, 575977220, 592433712, 691172664, 740542140, 797506920, 863965830, 987389520, 1036758996, 1151954440, 1295948745, 1382345328, 1481084280, 1595013840, 1727931660, 2073517992, 2303908880, 2591897490, 2962168560, 3455863320, 4147035984, 5183794980, 6911726640, 10367589960, 20735179920]

約数ペア:

[(1, 20735179920), (2, 10367589960), (3, 6911726640), (4, 5183794980), (5, 4147035984), (6, 3455863320), (7, 2962168560), (8, 2591897490), (9, 2303908880), (10, 2073517992), (12, 1727931660), (13, 1595013840), (14, 1481084280), (15, 1382345328), (16, 1295948745), (18, 1151954440), (20, 1036758996), (21, 987389520), (24, 863965830), (26, 797506920), (28, 740542140), (30, 691172664), (35, 592433712), (36, 575977220), (39, 531671280), (40, 518379498), (42, 493694760), (45, 460781776), (48, 431982915), (52, 398753460), (56, 370271070), (60, 345586332), (63, 329129840), (65, 319002768), (70, 296216856), (72, 287988610), (78, 265835640), (80, 259189749), (84, 246847380), (90, 230390888), (91, 227859120), (104, 199376730), (105, 197477904), (112, 185135535), (117, 177223760), (120, 172793166), (126, 164564920), (130, 159501384), (140, 148108428), (144, 143994305), (156, 132917820), (168, 123423690), (180, 115195444), (182, 113929560), (195, 106334256), (208, 99688365), (210, 98738952), (234, 88611880), (240, 86396583), (252, 82282460), (260, 79750692), (273, 75953040), (280, 74054214), (312, 66458910), (315, 65825968), (336, 61711845), (360, 57597722), (364, 56964780), (390, 53167128), (420, 49369476), (455, 45571824), (468, 44305940), (504, 41141230), (520, 39875346), (546, 37976520), (560, 37027107), (585, 35444752), (624, 33229455), (630, 32912984), (720, 28798861), (728, 28482390), (780, 26583564), (819, 25317680), (840, 24684738), (910, 22785912), (936, 22152970), (1008, 20570615), (1040, 19937673), (1092, 18988260), (1170, 17722376), (1260, 16456492), (1365, 15190608), (1456, 14241195), (1560, 13291782), (1638, 12658840), (1680, 12342369), (1820, 11392956), (1872, 11076485), (2184, 9494130), (2340, 8861188), (2520, 8228246), (2730, 7595304), (3120, 6645891), (3276, 6329420), (3640, 5696478), (4095, 5063536), (4368, 4747065), (4680, 4430594), (5040, 4114123), (5460, 3797652), (6552, 3164710), (7280, 2848239), (8190, 2531768), (9360, 2215297), (10920, 1898826), (13104, 1582355), (16380, 1265884), (21840, 949413), (32760, 632942), (65520, 316471)]