20878722

素因数分解:

$2^1\times 3^4\times {\mathrm{359}}^2$

素因数の和:732

約数の個数: 30

約数和(自身を含む): 46914483

約数和(自身を除く): 26035761

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 359, 718, 1077, 2154, 3231, 6462, 9693, 19386, 29079, 58158, 128881, 257762, 386643, 773286, 1159929, 2319858, 3479787, 6959574, 10439361, 20878722]

約数ペア:

[(1, 20878722), (2, 10439361), (3, 6959574), (6, 3479787), (9, 2319858), (18, 1159929), (27, 773286), (54, 386643), (81, 257762), (162, 128881), (359, 58158), (718, 29079), (1077, 19386), (2154, 9693), (3231, 6462)]