20442544

素因数分解:

$2^4\times {\mathrm{43}}^2\times {\mathrm{691}}^1$

素因数の和:785

約数の個数: 30

約数和(自身を含む): 40608636

約数和(自身を除く): 20166092

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 691, 1382, 1849, 2764, 3698, 5528, 7396, 11056, 14792, 29584, 29713, 59426, 118852, 237704, 475408, 1277659, 2555318, 5110636, 10221272, 20442544]

約数ペア:

[(1, 20442544), (2, 10221272), (4, 5110636), (8, 2555318), (16, 1277659), (43, 475408), (86, 237704), (172, 118852), (344, 59426), (688, 29713), (691, 29584), (1382, 14792), (1849, 11056), (2764, 7396), (3698, 5528)]