20519581355

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{45097981}}^1$

素因数の和:45098006

約数の個数: 16

約数和(自身を含む): 30305843904

約数和(自身を除く): 9786262549

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 45097981, 225489905, 315685867, 586273753, 1578429335, 2931368765, 4103916271, 20519581355]

約数ペア:

[(1, 20519581355), (5, 4103916271), (7, 2931368765), (13, 1578429335), (35, 586273753), (65, 315685867), (91, 225489905), (455, 45097981)]