20297095

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1439}}^1$

素因数の和:1495

約数の個数: 32

約数和(自身を含む): 30965760

約数和(自身を除く): 10668665

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 155, 217, 403, 455, 1085, 1439, 2015, 2821, 7195, 10073, 14105, 18707, 44609, 50365, 93535, 130949, 223045, 312263, 579917, 654745, 1561315, 2899585, 4059419, 20297095]

約数ペア:

[(1, 20297095), (5, 4059419), (7, 2899585), (13, 1561315), (31, 654745), (35, 579917), (65, 312263), (91, 223045), (155, 130949), (217, 93535), (403, 50365), (455, 44609), (1085, 18707), (1439, 14105), (2015, 10073), (2821, 7195)]