20579605

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{1229}}^1$

素因数の和:1448

約数の個数: 16

約数和(自身を含む): 26302320

約数和(自身を除く): 5722715

約数列:

[1, 5, 17, 85, 197, 985, 1229, 3349, 6145, 16745, 20893, 104465, 242113, 1210565, 4115921, 20579605]

約数ペア:

[(1, 20579605), (5, 4115921), (17, 1210565), (85, 242113), (197, 104465), (985, 20893), (1229, 16745), (3349, 6145)]