20672030

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{23227}}^1$

素因数の和:23323

約数の個数: 16

約数和(自身を含む): 37629360

約数和(自身を除く): 16957330

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 23227, 46454, 116135, 232270, 2067203, 4134406, 10336015, 20672030]

約数ペア:

[(1, 20672030), (2, 10336015), (5, 4134406), (10, 2067203), (89, 232270), (178, 116135), (445, 46454), (890, 23227)]