20968805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29327}}^1$

素因数の和:29356

約数の個数: 16

約数和(自身を含む): 29562624

約数和(自身を除く): 8593819

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 29327, 146635, 322597, 381251, 1612985, 1906255, 4193761, 20968805]

約数ペア:

[(1, 20968805), (5, 4193761), (11, 1906255), (13, 1612985), (55, 381251), (65, 322597), (143, 146635), (715, 29327)]