20163947272

素因数分解:

$2^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{40471}}^1$

素因数の和:40563

約数の個数: 96

約数和(自身を含む): 46507184640

約数和(自身を除く): 26343237368

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 41, 49, 56, 62, 82, 98, 124, 164, 196, 217, 248, 287, 328, 392, 434, 574, 868, 1148, 1271, 1519, 1736, 2009, 2296, 2542, 3038, 4018, 5084, 6076, 8036, 8897, 10168, 12152, 16072, 17794, 35588, 40471, 62279, 71176, 80942, 124558, 161884, 249116, 283297, 323768, 498232, 566594, 1133188, 1254601, 1659311, 1983079, 2266376, 2509202, 3318622, 3966158, 5018404, 6637244, 7932316, 8782207, 10036808, 11615177, 13274488, 15864632, 17564414, 23230354, 35128828, 46460708, 51438641, 61475449, 70257656, 81306239, 92921416, 102877282, 122950898, 162612478, 205754564, 245901796, 325224956, 360070487, 411509128, 491803592, 650449912, 720140974, 1440281948, 2520493409, 2880563896, 5040986818, 10081973636, 20163947272]

約数ペア:

[(1, 20163947272), (2, 10081973636), (4, 5040986818), (7, 2880563896), (8, 2520493409), (14, 1440281948), (28, 720140974), (31, 650449912), (41, 491803592), (49, 411509128), (56, 360070487), (62, 325224956), (82, 245901796), (98, 205754564), (124, 162612478), (164, 122950898), (196, 102877282), (217, 92921416), (248, 81306239), (287, 70257656), (328, 61475449), (392, 51438641), (434, 46460708), (574, 35128828), (868, 23230354), (1148, 17564414), (1271, 15864632), (1519, 13274488), (1736, 11615177), (2009, 10036808), (2296, 8782207), (2542, 7932316), (3038, 6637244), (4018, 5018404), (5084, 3966158), (6076, 3318622), (8036, 2509202), (8897, 2266376), (10168, 1983079), (12152, 1659311), (16072, 1254601), (17794, 1133188), (35588, 566594), (40471, 498232), (62279, 323768), (71176, 283297), (80942, 249116), (124558, 161884)]