20458670

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{157}}^2$

素因数の和:404

約数の個数: 24

約数和(自身を含む): 37508184

約数和(自身を除く): 17049514

約数列:

[1, 2, 5, 10, 83, 157, 166, 314, 415, 785, 830, 1570, 13031, 24649, 26062, 49298, 65155, 123245, 130310, 246490, 2045867, 4091734, 10229335, 20458670]

約数ペア:

[(1, 20458670), (2, 10229335), (5, 4091734), (10, 2045867), (83, 246490), (157, 130310), (166, 123245), (314, 65155), (415, 49298), (785, 26062), (830, 24649), (1570, 13031)]