20814902

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{11551}}^1$

素因数の和:11623

約数の個数: 16

約数和(自身を含む): 33685632

約数和(自身を除く): 12870730

約数列:

[1, 2, 17, 34, 53, 106, 901, 1802, 11551, 23102, 196367, 392734, 612203, 1224406, 10407451, 20814902]

約数ペア:

[(1, 20814902), (2, 10407451), (17, 1224406), (34, 612203), (53, 392734), (106, 196367), (901, 23102), (1802, 11551)]