20199269105

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1\times {\mathrm{1657}}^1$

素因数の和:2165

約数の個数: 32

約数和(自身を含む): 24953642784

約数和(自身を除く): 4754373679

約数列:

[1, 5, 53, 157, 265, 293, 785, 1465, 1657, 8285, 8321, 15529, 41605, 46001, 77645, 87821, 230005, 260149, 439105, 485501, 1300745, 2427505, 2438053, 12190265, 13787897, 25731553, 68939485, 76223657, 128657765, 381118285, 4039853821, 20199269105]

約数ペア:

[(1, 20199269105), (5, 4039853821), (53, 381118285), (157, 128657765), (265, 76223657), (293, 68939485), (785, 25731553), (1465, 13787897), (1657, 12190265), (8285, 2438053), (8321, 2427505), (15529, 1300745), (41605, 485501), (46001, 439105), (77645, 260149), (87821, 230005)]