20165566472

素因数分解:

$2^3\times {\mathrm{1801}}^1\times {\mathrm{1399609}}^1$

素因数の和:1401416

約数の個数: 16

約数和(自身を含む): 37831458300

約数和(自身を除く): 17665891828

約数列:

[1, 2, 4, 8, 1801, 3602, 7204, 14408, 1399609, 2799218, 5598436, 11196872, 2520695809, 5041391618, 10082783236, 20165566472]

約数ペア:

[(1, 20165566472), (2, 10082783236), (4, 5041391618), (8, 2520695809), (1801, 11196872), (3602, 5598436), (7204, 2799218), (14408, 1399609)]