20760915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1327}}^1$

素因数の和:1491

約数の個数: 32

約数和(自身を含む): 38246400

約数和(自身を除く): 17485485

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 149, 447, 745, 1043, 1327, 2235, 3129, 3981, 5215, 6635, 9289, 15645, 19905, 27867, 46445, 139335, 197723, 593169, 988615, 1384061, 2965845, 4152183, 6920305, 20760915]

約数ペア:

[(1, 20760915), (3, 6920305), (5, 4152183), (7, 2965845), (15, 1384061), (21, 988615), (35, 593169), (105, 197723), (149, 139335), (447, 46445), (745, 27867), (1043, 19905), (1327, 15645), (2235, 9289), (3129, 6635), (3981, 5215)]