20630984

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{21313}}^1$

素因数の和:21341

約数の個数: 24

約数和(自身を含む): 42521430

約数和(自身を除く): 21890446

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 21313, 42626, 85252, 170504, 234443, 468886, 937772, 1875544, 2578873, 5157746, 10315492, 20630984]

約数ペア:

[(1, 20630984), (2, 10315492), (4, 5157746), (8, 2578873), (11, 1875544), (22, 937772), (44, 468886), (88, 234443), (121, 170504), (242, 85252), (484, 42626), (968, 21313)]