20425515

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{123791}}^1$

素因数の和:123810

約数の個数: 16

約数和(自身を含む): 35652096

約数和(自身を除く): 15226581

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 123791, 371373, 618955, 1361701, 1856865, 4085103, 6808505, 20425515]

約数ペア:

[(1, 20425515), (3, 6808505), (5, 4085103), (11, 1856865), (15, 1361701), (33, 618955), (55, 371373), (165, 123791)]