20661160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{39733}}^1$

素因数の和:39757

約数の個数: 32

約数和(自身を含む): 50064840

約数和(自身を除く): 29403680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 39733, 79466, 158932, 198665, 317864, 397330, 516529, 794660, 1033058, 1589320, 2066116, 2582645, 4132232, 5165290, 10330580, 20661160]

約数ペア:

[(1, 20661160), (2, 10330580), (4, 5165290), (5, 4132232), (8, 2582645), (10, 2066116), (13, 1589320), (20, 1033058), (26, 794660), (40, 516529), (52, 397330), (65, 317864), (104, 198665), (130, 158932), (260, 79466), (520, 39733)]