20387535

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{194167}}^1$

素因数の和:194182

約数の個数: 16

約数和(自身を含む): 37280256

約数和(自身を除く): 16892721

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 194167, 582501, 970835, 1359169, 2912505, 4077507, 6795845, 20387535]

約数ペア:

[(1, 20387535), (3, 6795845), (5, 4077507), (7, 2912505), (15, 1359169), (21, 970835), (35, 582501), (105, 194167)]