20447090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{120277}}^1$

素因数の和:120301

約数の個数: 16

約数和(自身を含む): 38970072

約数和(自身を除く): 18522982

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 120277, 240554, 601385, 1202770, 2044709, 4089418, 10223545, 20447090]

約数ペア:

[(1, 20447090), (2, 10223545), (5, 4089418), (10, 2044709), (17, 1202770), (34, 601385), (85, 240554), (170, 120277)]