20701448

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{719}}^1$

素因数の和:845

約数の個数: 32

約数和(自身を含む): 40176000

約数和(自身を除く): 19474552

約数列:

[1, 2, 4, 8, 59, 61, 118, 122, 236, 244, 472, 488, 719, 1438, 2876, 3599, 5752, 7198, 14396, 28792, 42421, 43859, 84842, 87718, 169684, 175436, 339368, 350872, 2587681, 5175362, 10350724, 20701448]

約数ペア:

[(1, 20701448), (2, 10350724), (4, 5175362), (8, 2587681), (59, 350872), (61, 339368), (118, 175436), (122, 169684), (236, 87718), (244, 84842), (472, 43859), (488, 42421), (719, 28792), (1438, 14396), (2876, 7198), (3599, 5752)]