20741160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{827}}^1$

素因数の和:871

約数の個数: 128

約数和(自身を含む): 71539200

約数和(自身を除く): 50798040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 22, 24, 30, 33, 38, 40, 44, 55, 57, 60, 66, 76, 88, 95, 110, 114, 120, 132, 152, 165, 190, 209, 220, 228, 264, 285, 330, 380, 418, 440, 456, 570, 627, 660, 760, 827, 836, 1045, 1140, 1254, 1320, 1654, 1672, 2090, 2280, 2481, 2508, 3135, 3308, 4135, 4180, 4962, 5016, 6270, 6616, 8270, 8360, 9097, 9924, 12405, 12540, 15713, 16540, 18194, 19848, 24810, 25080, 27291, 31426, 33080, 36388, 45485, 47139, 49620, 54582, 62852, 72776, 78565, 90970, 94278, 99240, 109164, 125704, 136455, 157130, 172843, 181940, 188556, 218328, 235695, 272910, 314260, 345686, 363880, 377112, 471390, 518529, 545820, 628520, 691372, 864215, 942780, 1037058, 1091640, 1382744, 1728430, 1885560, 2074116, 2592645, 3456860, 4148232, 5185290, 6913720, 10370580, 20741160]

約数ペア:

[(1, 20741160), (2, 10370580), (3, 6913720), (4, 5185290), (5, 4148232), (6, 3456860), (8, 2592645), (10, 2074116), (11, 1885560), (12, 1728430), (15, 1382744), (19, 1091640), (20, 1037058), (22, 942780), (24, 864215), (30, 691372), (33, 628520), (38, 545820), (40, 518529), (44, 471390), (55, 377112), (57, 363880), (60, 345686), (66, 314260), (76, 272910), (88, 235695), (95, 218328), (110, 188556), (114, 181940), (120, 172843), (132, 157130), (152, 136455), (165, 125704), (190, 109164), (209, 99240), (220, 94278), (228, 90970), (264, 78565), (285, 72776), (330, 62852), (380, 54582), (418, 49620), (440, 47139), (456, 45485), (570, 36388), (627, 33080), (660, 31426), (760, 27291), (827, 25080), (836, 24810), (1045, 19848), (1140, 18194), (1254, 16540), (1320, 15713), (1654, 12540), (1672, 12405), (2090, 9924), (2280, 9097), (2481, 8360), (2508, 8270), (3135, 6616), (3308, 6270), (4135, 5016), (4180, 4962)]