20539470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2081}}^1$

素因数の和:2145

約数の個数: 64

約数和(自身を含む): 57563136

約数和(自身を除く): 37023666

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 47, 70, 94, 105, 141, 210, 235, 282, 329, 470, 658, 705, 987, 1410, 1645, 1974, 2081, 3290, 4162, 4935, 6243, 9870, 10405, 12486, 14567, 20810, 29134, 31215, 43701, 62430, 72835, 87402, 97807, 145670, 195614, 218505, 293421, 437010, 489035, 586842, 684649, 978070, 1369298, 1467105, 2053947, 2934210, 3423245, 4107894, 6846490, 10269735, 20539470]

約数ペア:

[(1, 20539470), (2, 10269735), (3, 6846490), (5, 4107894), (6, 3423245), (7, 2934210), (10, 2053947), (14, 1467105), (15, 1369298), (21, 978070), (30, 684649), (35, 586842), (42, 489035), (47, 437010), (70, 293421), (94, 218505), (105, 195614), (141, 145670), (210, 97807), (235, 87402), (282, 72835), (329, 62430), (470, 43701), (658, 31215), (705, 29134), (987, 20810), (1410, 14567), (1645, 12486), (1974, 10405), (2081, 9870), (3290, 6243), (4162, 4935)]