20045305

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{673}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 29505024

約数和(自身を除く): 9459719

約数列:

[1, 5, 7, 23, 35, 37, 115, 161, 185, 259, 673, 805, 851, 1295, 3365, 4255, 4711, 5957, 15479, 23555, 24901, 29785, 77395, 108353, 124505, 174307, 541765, 572723, 871535, 2863615, 4009061, 20045305]

約数ペア:

[(1, 20045305), (5, 4009061), (7, 2863615), (23, 871535), (35, 572723), (37, 541765), (115, 174307), (161, 124505), (185, 108353), (259, 77395), (673, 29785), (805, 24901), (851, 23555), (1295, 15479), (3365, 5957), (4255, 4711)]