12021020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{541}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 27863136

約数和(自身を除く): 15842116

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 541, 1010, 1082, 1111, 2020, 2164, 2222, 2705, 4444, 5410, 5555, 5951, 10820, 11110, 11902, 22220, 23804, 29755, 54641, 59510, 109282, 119020, 218564, 273205, 546410, 601051, 1092820, 1202102, 2404204, 3005255, 6010510, 12021020]

約数ペア:

[(1, 12021020), (2, 6010510), (4, 3005255), (5, 2404204), (10, 1202102), (11, 1092820), (20, 601051), (22, 546410), (44, 273205), (55, 218564), (101, 119020), (110, 109282), (202, 59510), (220, 54641), (404, 29755), (505, 23804), (541, 22220), (1010, 11902), (1082, 11110), (1111, 10820), (2020, 5951), (2164, 5555), (2222, 5410), (2705, 4444)]