20120864

素因数分解:

$2^5\times {\mathrm{127}}^1\times {\mathrm{4951}}^1$

素因数の和:5088

約数の個数: 24

約数和(自身を含む): 39932928

約数和(自身を除く): 19812064

約数列:

[1, 2, 4, 8, 16, 32, 127, 254, 508, 1016, 2032, 4064, 4951, 9902, 19804, 39608, 79216, 158432, 628777, 1257554, 2515108, 5030216, 10060432, 20120864]

約数ペア:

[(1, 20120864), (2, 10060432), (4, 5030216), (8, 2515108), (16, 1257554), (32, 628777), (127, 158432), (254, 79216), (508, 39608), (1016, 19804), (2032, 9902), (4064, 4951)]