20140492

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{419}}^1$

素因数の和:681

約数の個数: 24

約数和(自身を含む): 36091440

約数和(自身を除く): 15950948

約数列:

[1, 2, 4, 61, 122, 197, 244, 394, 419, 788, 838, 1676, 12017, 24034, 25559, 48068, 51118, 82543, 102236, 165086, 330172, 5035123, 10070246, 20140492]

約数ペア:

[(1, 20140492), (2, 10070246), (4, 5035123), (61, 330172), (122, 165086), (197, 102236), (244, 82543), (394, 51118), (419, 48068), (788, 25559), (838, 24034), (1676, 12017)]