20898088

素因数分解:

$2^3\times {\mathrm{809}}^1\times {\mathrm{3229}}^1$

素因数の和:4044

約数の個数: 16

約数和(自身を含む): 39244500

約数和(自身を除く): 18346412

約数列:

[1, 2, 4, 8, 809, 1618, 3229, 3236, 6458, 6472, 12916, 25832, 2612261, 5224522, 10449044, 20898088]

約数ペア:

[(1, 20898088), (2, 10449044), (4, 5224522), (8, 2612261), (809, 25832), (1618, 12916), (3229, 6472), (3236, 6458)]