20100456

素因数分解:

$2^3\times 3^2\times {\mathrm{279173}}^1$

素因数の和:279185

約数の個数: 24

約数和(自身を含む): 54438930

約数和(自身を除く): 34338474

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 279173, 558346, 837519, 1116692, 1675038, 2233384, 2512557, 3350076, 5025114, 6700152, 10050228, 20100456]

約数ペア:

[(1, 20100456), (2, 10050228), (3, 6700152), (4, 5025114), (6, 3350076), (8, 2512557), (9, 2233384), (12, 1675038), (18, 1116692), (24, 837519), (36, 558346), (72, 279173)]