20702588

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{461}}^1$

素因数の和:677

約数の個数: 24

約数和(自身を含む): 36996960

約数和(自身を除く): 16294372

約数列:

[1, 2, 4, 103, 109, 206, 218, 412, 436, 461, 922, 1844, 11227, 22454, 44908, 47483, 50249, 94966, 100498, 189932, 200996, 5175647, 10351294, 20702588]

約数ペア:

[(1, 20702588), (2, 10351294), (4, 5175647), (103, 200996), (109, 189932), (206, 100498), (218, 94966), (412, 50249), (436, 47483), (461, 44908), (922, 22454), (1844, 11227)]