20505348

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{12119}}^1$

素因数の和:12176

約数の個数: 36

約数和(自身を含む): 52940160

約数和(自身を除く): 32434812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 564, 846, 1692, 12119, 24238, 36357, 48476, 72714, 109071, 145428, 218142, 436284, 569593, 1139186, 1708779, 2278372, 3417558, 5126337, 6835116, 10252674, 20505348]

約数ペア:

[(1, 20505348), (2, 10252674), (3, 6835116), (4, 5126337), (6, 3417558), (9, 2278372), (12, 1708779), (18, 1139186), (36, 569593), (47, 436284), (94, 218142), (141, 145428), (188, 109071), (282, 72714), (423, 48476), (564, 36357), (846, 24238), (1692, 12119)]