20958110

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{1091}}^1$

素因数の和:1228

約数の個数: 32

約数和(自身を含む): 40334112

約数和(自身を除く): 19376002

約数列:

[1, 2, 5, 10, 17, 34, 85, 113, 170, 226, 565, 1091, 1130, 1921, 2182, 3842, 5455, 9605, 10910, 18547, 19210, 37094, 92735, 123283, 185470, 246566, 616415, 1232830, 2095811, 4191622, 10479055, 20958110]

約数ペア:

[(1, 20958110), (2, 10479055), (5, 4191622), (10, 2095811), (17, 1232830), (34, 616415), (85, 246566), (113, 185470), (170, 123283), (226, 92735), (565, 37094), (1091, 19210), (1130, 18547), (1921, 10910), (2182, 9605), (3842, 5455)]