20695791

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{977}}^1$

素因数の和:1310

約数の個数: 16

約数和(自身を含む): 28917504

約数和(自身を除く): 8221713

約数列:

[1, 3, 23, 69, 307, 921, 977, 2931, 7061, 21183, 22471, 67413, 299939, 899817, 6898597, 20695791]

約数ペア:

[(1, 20695791), (3, 6898597), (23, 899817), (69, 299939), (307, 67413), (921, 22471), (977, 21183), (2931, 7061)]