20585360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{467}}^1$

素因数の和:528

約数の個数: 80

約数和(自身を含む): 52228800

約数和(自身を除く): 31643440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 38, 40, 58, 76, 80, 95, 116, 145, 152, 190, 232, 290, 304, 380, 464, 467, 551, 580, 760, 934, 1102, 1160, 1520, 1868, 2204, 2320, 2335, 2755, 3736, 4408, 4670, 5510, 7472, 8816, 8873, 9340, 11020, 13543, 17746, 18680, 22040, 27086, 35492, 37360, 44080, 44365, 54172, 67715, 70984, 88730, 108344, 135430, 141968, 177460, 216688, 257317, 270860, 354920, 514634, 541720, 709840, 1029268, 1083440, 1286585, 2058536, 2573170, 4117072, 5146340, 10292680, 20585360]

約数ペア:

[(1, 20585360), (2, 10292680), (4, 5146340), (5, 4117072), (8, 2573170), (10, 2058536), (16, 1286585), (19, 1083440), (20, 1029268), (29, 709840), (38, 541720), (40, 514634), (58, 354920), (76, 270860), (80, 257317), (95, 216688), (116, 177460), (145, 141968), (152, 135430), (190, 108344), (232, 88730), (290, 70984), (304, 67715), (380, 54172), (464, 44365), (467, 44080), (551, 37360), (580, 35492), (760, 27086), (934, 22040), (1102, 18680), (1160, 17746), (1520, 13543), (1868, 11020), (2204, 9340), (2320, 8873), (2335, 8816), (2755, 7472), (3736, 5510), (4408, 4670)]