20121273808

素因数分解:

$2^4\times {\mathrm{487}}^1\times {\mathrm{1511}}^1\times {\mathrm{1709}}^1$

素因数の和:3715

約数の個数: 40

約数和(自身を含む): 39113746560

約数和(自身を除く): 18992472752

約数列:

[1, 2, 4, 8, 16, 487, 974, 1511, 1709, 1948, 3022, 3418, 3896, 6044, 6836, 7792, 12088, 13672, 24176, 27344, 735857, 832283, 1471714, 1664566, 2582299, 2943428, 3329132, 5164598, 5886856, 6658264, 10329196, 11773712, 13316528, 20658392, 41316784, 1257579613, 2515159226, 5030318452, 10060636904, 20121273808]

約数ペア:

[(1, 20121273808), (2, 10060636904), (4, 5030318452), (8, 2515159226), (16, 1257579613), (487, 41316784), (974, 20658392), (1511, 13316528), (1709, 11773712), (1948, 10329196), (3022, 6658264), (3418, 5886856), (3896, 5164598), (6044, 3329132), (6836, 2943428), (7792, 2582299), (12088, 1664566), (13672, 1471714), (24176, 832283), (27344, 735857)]