20703628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{1123}}^1$

素因数の和:1557

約数の個数: 24

約数和(自身を含む): 39654720

約数和(自身を除く): 18951092

約数列:

[1, 2, 4, 11, 22, 44, 419, 838, 1123, 1676, 2246, 4492, 4609, 9218, 12353, 18436, 24706, 49412, 470537, 941074, 1882148, 5175907, 10351814, 20703628]

約数ペア:

[(1, 20703628), (2, 10351814), (4, 5175907), (11, 1882148), (22, 941074), (44, 470537), (419, 49412), (838, 24706), (1123, 18436), (1676, 12353), (2246, 9218), (4492, 4609)]