20067920

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4733}}^1$

素因数の和:4799

約数の個数: 40

約数和(自身を含む): 47548296

約数和(自身を除く): 27480376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 4733, 9466, 18932, 23665, 37864, 47330, 75728, 94660, 189320, 250849, 378640, 501698, 1003396, 1254245, 2006792, 2508490, 4013584, 5016980, 10033960, 20067920]

約数ペア:

[(1, 20067920), (2, 10033960), (4, 5016980), (5, 4013584), (8, 2508490), (10, 2006792), (16, 1254245), (20, 1003396), (40, 501698), (53, 378640), (80, 250849), (106, 189320), (212, 94660), (265, 75728), (424, 47330), (530, 37864), (848, 23665), (1060, 18932), (2120, 9466), (4240, 4733)]