20781794

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{617}}^1\times {\mathrm{1531}}^1$

素因数の和:2161

約数の個数: 16

約数和(自身を含む): 34083936

約数和(自身を除く): 13302142

約数列:

[1, 2, 11, 22, 617, 1234, 1531, 3062, 6787, 13574, 16841, 33682, 944627, 1889254, 10390897, 20781794]

約数ペア:

[(1, 20781794), (2, 10390897), (11, 1889254), (22, 944627), (617, 33682), (1234, 16841), (1531, 13574), (3062, 6787)]