20121664046

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{821}}^1\times {\mathrm{30109}}^1$

素因数の和:30980

約数の個数: 32

約数和(自身を含む): 33858574560

約数和(自身を除く): 13736910514

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 821, 1642, 9031, 18062, 30109, 30377, 60218, 60754, 331199, 334147, 662398, 668294, 1114033, 2228066, 12254363, 24508726, 24719489, 49438978, 271914379, 543828758, 914621093, 1829242186, 10060832023, 20121664046]

約数ペア:

[(1, 20121664046), (2, 10060832023), (11, 1829242186), (22, 914621093), (37, 543828758), (74, 271914379), (407, 49438978), (814, 24719489), (821, 24508726), (1642, 12254363), (9031, 2228066), (18062, 1114033), (30109, 668294), (30377, 662398), (60218, 334147), (60754, 331199)]