20545016

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{541}}^1$

素因数の和:695

約数の個数: 32

約数和(自身を含む): 39804480

約数和(自身を除く): 19259464

約数列:

[1, 2, 4, 8, 47, 94, 101, 188, 202, 376, 404, 541, 808, 1082, 2164, 4328, 4747, 9494, 18988, 25427, 37976, 50854, 54641, 101708, 109282, 203416, 218564, 437128, 2568127, 5136254, 10272508, 20545016]

約数ペア:

[(1, 20545016), (2, 10272508), (4, 5136254), (8, 2568127), (47, 437128), (94, 218564), (101, 203416), (188, 109282), (202, 101708), (376, 54641), (404, 50854), (541, 37976), (808, 25427), (1082, 18988), (2164, 9494), (4328, 4747)]