20159788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{1619}}^1$

素因数の和:1917

約数の個数: 24

約数和(自身を含む): 38646720

約数和(自身を除く): 18486932

約数列:

[1, 2, 4, 11, 22, 44, 283, 566, 1132, 1619, 3113, 3238, 6226, 6476, 12452, 17809, 35618, 71236, 458177, 916354, 1832708, 5039947, 10079894, 20159788]

約数ペア:

[(1, 20159788), (2, 10079894), (4, 5039947), (11, 1832708), (22, 916354), (44, 458177), (283, 71236), (566, 35618), (1132, 17809), (1619, 12452), (3113, 6476), (3238, 6226)]