20429090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{811}}^1$

素因数の和:1058

約数の個数: 32

約数和(自身を含む): 40340160

約数和(自身を除く): 19911070

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 229, 458, 811, 1145, 1622, 2290, 2519, 4055, 5038, 8110, 8921, 12595, 17842, 25190, 44605, 89210, 185719, 371438, 928595, 1857190, 2042909, 4085818, 10214545, 20429090]

約数ペア:

[(1, 20429090), (2, 10214545), (5, 4085818), (10, 2042909), (11, 1857190), (22, 928595), (55, 371438), (110, 185719), (229, 89210), (458, 44605), (811, 25190), (1145, 17842), (1622, 12595), (2290, 8921), (2519, 8110), (4055, 5038)]