20354396

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{2503}}^1$

素因数の和:2633

約数の個数: 24

約数和(自身を含む): 37860480

約数和(自身を除く): 17506084

約数列:

[1, 2, 4, 19, 38, 76, 107, 214, 428, 2033, 2503, 4066, 5006, 8132, 10012, 47557, 95114, 190228, 267821, 535642, 1071284, 5088599, 10177198, 20354396]

約数ペア:

[(1, 20354396), (2, 10177198), (4, 5088599), (19, 1071284), (38, 535642), (76, 267821), (107, 190228), (214, 95114), (428, 47557), (2033, 10012), (2503, 8132), (4066, 5006)]