20727692

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 41549760

約数和(自身を除く): 20822068

約数列:

[1, 2, 4, 17, 23, 29, 34, 46, 58, 68, 92, 116, 391, 457, 493, 667, 782, 914, 986, 1334, 1564, 1828, 1972, 2668, 7769, 10511, 11339, 13253, 15538, 21022, 22678, 26506, 31076, 42044, 45356, 53012, 178687, 225301, 304819, 357374, 450602, 609638, 714748, 901204, 1219276, 5181923, 10363846, 20727692]

約数ペア:

[(1, 20727692), (2, 10363846), (4, 5181923), (17, 1219276), (23, 901204), (29, 714748), (34, 609638), (46, 450602), (58, 357374), (68, 304819), (92, 225301), (116, 178687), (391, 53012), (457, 45356), (493, 42044), (667, 31076), (782, 26506), (914, 22678), (986, 21022), (1334, 15538), (1564, 13253), (1828, 11339), (1972, 10511), (2668, 7769)]