20591624

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 44323200

約数和(自身を除く): 23731576

約数列:

[1, 2, 4, 8, 17, 23, 29, 34, 46, 58, 68, 92, 116, 136, 184, 227, 232, 391, 454, 493, 667, 782, 908, 986, 1334, 1564, 1816, 1972, 2668, 3128, 3859, 3944, 5221, 5336, 6583, 7718, 10442, 11339, 13166, 15436, 20884, 22678, 26332, 30872, 41768, 45356, 52664, 88757, 90712, 111911, 151409, 177514, 223822, 302818, 355028, 447644, 605636, 710056, 895288, 1211272, 2573953, 5147906, 10295812, 20591624]

約数ペア:

[(1, 20591624), (2, 10295812), (4, 5147906), (8, 2573953), (17, 1211272), (23, 895288), (29, 710056), (34, 605636), (46, 447644), (58, 355028), (68, 302818), (92, 223822), (116, 177514), (136, 151409), (184, 111911), (227, 90712), (232, 88757), (391, 52664), (454, 45356), (493, 41768), (667, 30872), (782, 26332), (908, 22678), (986, 20884), (1334, 15436), (1564, 13166), (1816, 11339), (1972, 10442), (2668, 7718), (3128, 6583), (3859, 5336), (3944, 5221)]