20145403321

素因数分解:

${\mathrm{127}}^1\times {\mathrm{251}}^1\times {\mathrm{521}}^1\times {\mathrm{1213}}^1$

素因数の和:2112

約数の個数: 16

約数和(自身を含む): 20440885248

約数和(自身を除く): 295481927

約数列:

[1, 127, 251, 521, 1213, 31877, 66167, 130771, 154051, 304463, 631973, 16607917, 38666801, 80260571, 158625223, 20145403321]

約数ペア:

[(1, 20145403321), (127, 158625223), (251, 80260571), (521, 38666801), (1213, 16607917), (31877, 631973), (66167, 304463), (130771, 154051)]