20444590

素因数分解:

$2^1\times 5^1\times {\mathrm{1409}}^1\times {\mathrm{1451}}^1$

素因数の和:2867

約数の個数: 16

約数和(自身を含む): 36851760

約数和(自身を除く): 16407170

約数列:

[1, 2, 5, 10, 1409, 1451, 2818, 2902, 7045, 7255, 14090, 14510, 2044459, 4088918, 10222295, 20444590]

約数ペア:

[(1, 20444590), (2, 10222295), (5, 4088918), (10, 2044459), (1409, 14510), (1451, 14090), (2818, 7255), (2902, 7045)]