20507461

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{337}}^1$

素因数の和:532

約数の個数: 16

約数和(自身を含む): 23016448

約数和(自身を除く): 2508987

約数列:

[1, 13, 31, 151, 337, 403, 1963, 4381, 4681, 10447, 50887, 60853, 135811, 661531, 1577497, 20507461]

約数ペア:

[(1, 20507461), (13, 1577497), (31, 661531), (151, 135811), (337, 60853), (403, 50887), (1963, 10447), (4381, 4681)]