20237360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:127

約数の個数: 160

約数和(自身を含む): 58121280

約数和(自身を除く): 37883920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 29, 40, 44, 52, 55, 58, 61, 65, 80, 88, 104, 110, 116, 122, 130, 143, 145, 176, 208, 220, 232, 244, 260, 286, 290, 305, 319, 377, 440, 464, 488, 520, 572, 580, 610, 638, 671, 715, 754, 793, 880, 976, 1040, 1144, 1160, 1220, 1276, 1342, 1430, 1508, 1586, 1595, 1769, 1885, 2288, 2320, 2440, 2552, 2684, 2860, 3016, 3172, 3190, 3355, 3538, 3770, 3965, 4147, 4880, 5104, 5368, 5720, 6032, 6344, 6380, 6710, 7076, 7540, 7930, 8294, 8723, 8845, 10736, 11440, 12688, 12760, 13420, 14152, 15080, 15860, 16588, 17446, 17690, 19459, 20735, 22997, 25520, 26840, 28304, 30160, 31720, 33176, 34892, 35380, 38918, 41470, 43615, 45994, 53680, 63440, 66352, 69784, 70760, 77836, 82940, 87230, 91988, 97295, 114985, 139568, 141520, 155672, 165880, 174460, 183976, 194590, 229970, 252967, 311344, 331760, 348920, 367952, 389180, 459940, 505934, 697840, 778360, 919880, 1011868, 1264835, 1556720, 1839760, 2023736, 2529670, 4047472, 5059340, 10118680, 20237360]

約数ペア:

[(1, 20237360), (2, 10118680), (4, 5059340), (5, 4047472), (8, 2529670), (10, 2023736), (11, 1839760), (13, 1556720), (16, 1264835), (20, 1011868), (22, 919880), (26, 778360), (29, 697840), (40, 505934), (44, 459940), (52, 389180), (55, 367952), (58, 348920), (61, 331760), (65, 311344), (80, 252967), (88, 229970), (104, 194590), (110, 183976), (116, 174460), (122, 165880), (130, 155672), (143, 141520), (145, 139568), (176, 114985), (208, 97295), (220, 91988), (232, 87230), (244, 82940), (260, 77836), (286, 70760), (290, 69784), (305, 66352), (319, 63440), (377, 53680), (440, 45994), (464, 43615), (488, 41470), (520, 38918), (572, 35380), (580, 34892), (610, 33176), (638, 31720), (671, 30160), (715, 28304), (754, 26840), (793, 25520), (880, 22997), (976, 20735), (1040, 19459), (1144, 17690), (1160, 17446), (1220, 16588), (1276, 15860), (1342, 15080), (1430, 14152), (1508, 13420), (1586, 12760), (1595, 12688), (1769, 11440), (1885, 10736), (2288, 8845), (2320, 8723), (2440, 8294), (2552, 7930), (2684, 7540), (2860, 7076), (3016, 6710), (3172, 6380), (3190, 6344), (3355, 6032), (3538, 5720), (3770, 5368), (3965, 5104), (4147, 4880)]