20782772

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{9859}}^1$

素因数の和:9911

約数の個数: 24

約数和(自身を含む): 39755520

約数和(自身を除く): 18972748

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 124, 527, 1054, 2108, 9859, 19718, 39436, 167603, 305629, 335206, 611258, 670412, 1222516, 5195693, 10391386, 20782772]

約数ペア:

[(1, 20782772), (2, 10391386), (4, 5195693), (17, 1222516), (31, 670412), (34, 611258), (62, 335206), (68, 305629), (124, 167603), (527, 39436), (1054, 19718), (2108, 9859)]