20637642

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{499}}^1$

素因数の和:678

約数の個数: 32

約数和(自身を含む): 42408000

約数和(自身を除く): 21770358

約数列:

[1, 2, 3, 6, 61, 113, 122, 183, 226, 339, 366, 499, 678, 998, 1497, 2994, 6893, 13786, 20679, 30439, 41358, 56387, 60878, 91317, 112774, 169161, 182634, 338322, 3439607, 6879214, 10318821, 20637642]

約数ペア:

[(1, 20637642), (2, 10318821), (3, 6879214), (6, 3439607), (61, 338322), (113, 182634), (122, 169161), (183, 112774), (226, 91317), (339, 60878), (366, 56387), (499, 41358), (678, 30439), (998, 20679), (1497, 13786), (2994, 6893)]