20121247112

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{1531}}^1\times {\mathrm{19793}}^1$

素因数の和:21413

約数の個数: 32

約数和(自身を含む): 38208754080

約数和(自身を除く): 18087506968

約数列:

[1, 2, 4, 8, 83, 166, 332, 664, 1531, 3062, 6124, 12248, 19793, 39586, 79172, 127073, 158344, 254146, 508292, 1016584, 1642819, 3285638, 6571276, 13142552, 30303083, 60606166, 121212332, 242424664, 2515155889, 5030311778, 10060623556, 20121247112]

約数ペア:

[(1, 20121247112), (2, 10060623556), (4, 5030311778), (8, 2515155889), (83, 242424664), (166, 121212332), (332, 60606166), (664, 30303083), (1531, 13142552), (3062, 6571276), (6124, 3285638), (12248, 1642819), (19793, 1016584), (39586, 508292), (79172, 254146), (127073, 158344)]