20165009456

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{40655261}}^1$

素因数の和:40655300

約数の個数: 20

約数和(自身を含む): 40330019904

約数和(自身を除く): 20165010448

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 40655261, 81310522, 162621044, 325242088, 650484176, 1260313091, 2520626182, 5041252364, 10082504728, 20165009456]

約数ペア:

[(1, 20165009456), (2, 10082504728), (4, 5041252364), (8, 2520626182), (16, 1260313091), (31, 650484176), (62, 325242088), (124, 162621044), (248, 81310522), (496, 40655261)]