20686510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{701}}^1$

素因数の和:948

約数の個数: 32

約数和(自身を含む): 40334112

約数和(自身を除く): 19647602

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 227, 454, 701, 1135, 1402, 2270, 2951, 3505, 5902, 7010, 9113, 14755, 18226, 29510, 45565, 91130, 159127, 318254, 795635, 1591270, 2068651, 4137302, 10343255, 20686510]

約数ペア:

[(1, 20686510), (2, 10343255), (5, 4137302), (10, 2068651), (13, 1591270), (26, 795635), (65, 318254), (130, 159127), (227, 91130), (454, 45565), (701, 29510), (1135, 18226), (1402, 14755), (2270, 9113), (2951, 7010), (3505, 5902)]