20215895

素因数分解:

$5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{6959}}^1$

素因数の和:7054

約数の個数: 16

約数和(自身を含む): 28062720

約数和(自身を除く): 7846825

約数列:

[1, 5, 7, 35, 83, 415, 581, 2905, 6959, 34795, 48713, 243565, 577597, 2887985, 4043179, 20215895]

約数ペア:

[(1, 20215895), (5, 4043179), (7, 2887985), (35, 577597), (83, 243565), (415, 48713), (581, 34795), (2905, 6959)]