20024980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{58897}}^1$

素因数の和:58923

約数の個数: 24

約数和(自身を含む): 44526888

約数和(自身を除く): 24501908

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 58897, 117794, 235588, 294485, 588970, 1001249, 1177940, 2002498, 4004996, 5006245, 10012490, 20024980]

約数ペア:

[(1, 20024980), (2, 10012490), (4, 5006245), (5, 4004996), (10, 2002498), (17, 1177940), (20, 1001249), (34, 588970), (68, 294485), (85, 235588), (170, 117794), (340, 58897)]