20688252

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1$

素因数の和:335

約数の個数: 96

約数和(自身を含む): 57153600

約数和(自身を除く): 36465348

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 29, 34, 39, 51, 52, 58, 68, 78, 87, 102, 116, 156, 174, 204, 221, 269, 348, 377, 442, 493, 538, 663, 754, 807, 884, 986, 1076, 1131, 1326, 1479, 1508, 1614, 1972, 2262, 2652, 2958, 3228, 3497, 4524, 4573, 5916, 6409, 6994, 7801, 9146, 10491, 12818, 13719, 13988, 15602, 18292, 19227, 20982, 23403, 25636, 27438, 31204, 38454, 41964, 46806, 54876, 59449, 76908, 93612, 101413, 118898, 132617, 178347, 202826, 237796, 265234, 304239, 356694, 397851, 405652, 530468, 608478, 713388, 795702, 1216956, 1591404, 1724021, 3448042, 5172063, 6896084, 10344126, 20688252]

約数ペア:

[(1, 20688252), (2, 10344126), (3, 6896084), (4, 5172063), (6, 3448042), (12, 1724021), (13, 1591404), (17, 1216956), (26, 795702), (29, 713388), (34, 608478), (39, 530468), (51, 405652), (52, 397851), (58, 356694), (68, 304239), (78, 265234), (87, 237796), (102, 202826), (116, 178347), (156, 132617), (174, 118898), (204, 101413), (221, 93612), (269, 76908), (348, 59449), (377, 54876), (442, 46806), (493, 41964), (538, 38454), (663, 31204), (754, 27438), (807, 25636), (884, 23403), (986, 20982), (1076, 19227), (1131, 18292), (1326, 15602), (1479, 13988), (1508, 13719), (1614, 12818), (1972, 10491), (2262, 9146), (2652, 7801), (2958, 6994), (3228, 6409), (3497, 5916), (4524, 4573)]