20512166512

素因数分解:

$2^4\times {\mathrm{10391}}^1\times {\mathrm{123377}}^1$

素因数の和:133776

約数の個数: 20

約数和(自身を含む): 39746469456

約数和(自身を除く): 19234302944

約数列:

[1, 2, 4, 8, 16, 10391, 20782, 41564, 83128, 123377, 166256, 246754, 493508, 987016, 1974032, 1282010407, 2564020814, 5128041628, 10256083256, 20512166512]

約数ペア:

[(1, 20512166512), (2, 10256083256), (4, 5128041628), (8, 2564020814), (16, 1282010407), (10391, 1974032), (20782, 987016), (41564, 493508), (83128, 246754), (123377, 166256)]