20171397905

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4487519}}^1$

素因数の和:4487584

約数の個数: 16

約数和(自身を含む): 25848115200

約数和(自身を除く): 5676717295

約数列:

[1, 5, 29, 31, 145, 155, 899, 4495, 4487519, 22437595, 130138051, 139113089, 650690255, 695565445, 4034279581, 20171397905]

約数ペア:

[(1, 20171397905), (5, 4034279581), (29, 695565445), (31, 650690255), (145, 139113089), (155, 130138051), (899, 22437595), (4495, 4487519)]