20576745

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{65323}}^1$

素因数の和:65341

約数の個数: 24

約数和(自身を含む): 40762176

約数和(自身を除く): 20185431

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 65323, 195969, 326615, 457261, 587907, 979845, 1371783, 2286305, 2939535, 4115349, 6858915, 20576745]

約数ペア:

[(1, 20576745), (3, 6858915), (5, 4115349), (7, 2939535), (9, 2286305), (15, 1371783), (21, 979845), (35, 587907), (45, 457261), (63, 326615), (105, 195969), (315, 65323)]