20117265

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4673}}^1$

素因数の和:4729

約数の個数: 32

約数和(自身を含む): 37691136

約数和(自身を除く): 17573871

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 287, 615, 861, 1435, 4305, 4673, 14019, 23365, 32711, 70095, 98133, 163555, 191593, 490665, 574779, 957965, 1341151, 2873895, 4023453, 6705755, 20117265]

約数ペア:

[(1, 20117265), (3, 6705755), (5, 4023453), (7, 2873895), (15, 1341151), (21, 957965), (35, 574779), (41, 490665), (105, 191593), (123, 163555), (205, 98133), (287, 70095), (615, 32711), (861, 23365), (1435, 14019), (4305, 4673)]