20071415

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1423}}^1$

素因数の和:1479

約数の個数: 32

約数和(自身を含む): 30621696

約数和(自身を除く): 10550281

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 155, 217, 403, 455, 1085, 1423, 2015, 2821, 7115, 9961, 14105, 18499, 44113, 49805, 92495, 129493, 220565, 308791, 573469, 647465, 1543955, 2867345, 4014283, 20071415]

約数ペア:

[(1, 20071415), (5, 4014283), (7, 2867345), (13, 1543955), (31, 647465), (35, 573469), (65, 308791), (91, 220565), (155, 129493), (217, 92495), (403, 49805), (455, 44113), (1085, 18499), (1423, 14105), (2015, 9961), (2821, 7115)]