20165718290

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1\times {\mathrm{971}}^1$

素因数の和:1407

約数の個数: 64

約数和(自身を含む): 37309870080

約数和(自身を除く): 17144151790

約数列:

[1, 2, 5, 10, 67, 134, 139, 223, 278, 335, 446, 670, 695, 971, 1115, 1390, 1942, 2230, 4855, 9313, 9710, 14941, 18626, 29882, 30997, 46565, 61994, 65057, 74705, 93130, 130114, 134969, 149410, 154985, 216533, 269938, 309970, 325285, 433066, 650570, 674845, 1082665, 1349690, 2076799, 2165330, 4153598, 9042923, 10383995, 14507711, 18085846, 20767990, 29015422, 30098087, 45214615, 60196174, 72538555, 90429230, 145077110, 150490435, 300980870, 2016571829, 4033143658, 10082859145, 20165718290]

約数ペア:

[(1, 20165718290), (2, 10082859145), (5, 4033143658), (10, 2016571829), (67, 300980870), (134, 150490435), (139, 145077110), (223, 90429230), (278, 72538555), (335, 60196174), (446, 45214615), (670, 30098087), (695, 29015422), (971, 20767990), (1115, 18085846), (1390, 14507711), (1942, 10383995), (2230, 9042923), (4855, 4153598), (9313, 2165330), (9710, 2076799), (14941, 1349690), (18626, 1082665), (29882, 674845), (30997, 650570), (46565, 433066), (61994, 325285), (65057, 309970), (74705, 269938), (93130, 216533), (130114, 154985), (134969, 149410)]