20446257

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{30839}}^1$

素因数の和:30872

約数の個数: 16

約数和(自身を含む): 31086720

約数和(自身を除く): 10640463

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 30839, 92517, 400907, 524263, 1202721, 1572789, 6815419, 20446257]

約数ペア:

[(1, 20446257), (3, 6815419), (13, 1572789), (17, 1202721), (39, 524263), (51, 400907), (221, 92517), (663, 30839)]