20221471960

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{937}}^1\times {\mathrm{2557}}^1$

素因数の和:3716

約数の個数: 64

約数和(自身を含む): 45780628320

約数和(自身を除く): 25559156360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 937, 1055, 1688, 1874, 2110, 2557, 3748, 4220, 4685, 5114, 7496, 8440, 9370, 10228, 12785, 18740, 20456, 25570, 37480, 51140, 102280, 197707, 395414, 539527, 790828, 988535, 1079054, 1581656, 1977070, 2158108, 2395909, 2697635, 3954140, 4316216, 4791818, 5395270, 7908280, 9583636, 10790540, 11979545, 19167272, 21581080, 23959090, 47918180, 95836360, 505536799, 1011073598, 2022147196, 2527683995, 4044294392, 5055367990, 10110735980, 20221471960]

約数ペア:

[(1, 20221471960), (2, 10110735980), (4, 5055367990), (5, 4044294392), (8, 2527683995), (10, 2022147196), (20, 1011073598), (40, 505536799), (211, 95836360), (422, 47918180), (844, 23959090), (937, 21581080), (1055, 19167272), (1688, 11979545), (1874, 10790540), (2110, 9583636), (2557, 7908280), (3748, 5395270), (4220, 4791818), (4685, 4316216), (5114, 3954140), (7496, 2697635), (8440, 2395909), (9370, 2158108), (10228, 1977070), (12785, 1581656), (18740, 1079054), (20456, 988535), (25570, 790828), (37480, 539527), (51140, 395414), (102280, 197707)]