20178943345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{977}}^1\times {\mathrm{375527}}^1$

素因数の和:376520

約数の個数: 16

約数和(自身を含む): 26443179648

約数和(自身を除く): 6264236303

約数列:

[1, 5, 11, 55, 977, 4885, 10747, 53735, 375527, 1877635, 4130797, 20653985, 366889879, 1834449395, 4035788669, 20178943345]

約数ペア:

[(1, 20178943345), (5, 4035788669), (11, 1834449395), (55, 366889879), (977, 20653985), (4885, 4130797), (10747, 1877635), (53735, 375527)]