20164268540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77554879}}^1$

素因数の和:77554901

約数の個数: 24

約数和(自身を含む): 45602269440

約数和(自身を除く): 25438000900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77554879, 155109758, 310219516, 387774395, 775548790, 1008213427, 1551097580, 2016426854, 4032853708, 5041067135, 10082134270, 20164268540]

約数ペア:

[(1, 20164268540), (2, 10082134270), (4, 5041067135), (5, 4032853708), (10, 2016426854), (13, 1551097580), (20, 1008213427), (26, 775548790), (52, 387774395), (65, 310219516), (130, 155109758), (260, 77554879)]