20400396

素因数分解:

$2^2\times 3^1\times {\mathrm{137}}^1\times {\mathrm{12409}}^1$

素因数の和:12553

約数の個数: 24

約数和(自身を含む): 47952240

約数和(自身を除く): 27551844

約数列:

[1, 2, 3, 4, 6, 12, 137, 274, 411, 548, 822, 1644, 12409, 24818, 37227, 49636, 74454, 148908, 1700033, 3400066, 5100099, 6800132, 10200198, 20400396]

約数ペア:

[(1, 20400396), (2, 10200198), (3, 6800132), (4, 5100099), (6, 3400066), (12, 1700033), (137, 148908), (274, 74454), (411, 49636), (548, 37227), (822, 24818), (1644, 12409)]