20197780310

素因数分解:

$2^1\times 5^1\times {\mathrm{2797}}^1\times {\mathrm{722123}}^1$

素因数の和:724927

約数の個数: 16

約数和(自身を含む): 36369053136

約数和(自身を除く): 16171272826

約数列:

[1, 2, 5, 10, 2797, 5594, 13985, 27970, 722123, 1444246, 3610615, 7221230, 2019778031, 4039556062, 10098890155, 20197780310]

約数ペア:

[(1, 20197780310), (2, 10098890155), (5, 4039556062), (10, 2019778031), (2797, 7221230), (5594, 3610615), (13985, 1444246), (27970, 722123)]