20887636

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{929}}^1$

素因数の和:1024

約数の個数: 48

約数和(自身を含む): 46247040

約数和(自身を除く): 25359404

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 73, 77, 146, 154, 292, 308, 511, 803, 929, 1022, 1606, 1858, 2044, 3212, 3716, 5621, 6503, 10219, 11242, 13006, 20438, 22484, 26012, 40876, 67817, 71533, 135634, 143066, 271268, 286132, 474719, 745987, 949438, 1491974, 1898876, 2983948, 5221909, 10443818, 20887636]

約数ペア:

[(1, 20887636), (2, 10443818), (4, 5221909), (7, 2983948), (11, 1898876), (14, 1491974), (22, 949438), (28, 745987), (44, 474719), (73, 286132), (77, 271268), (146, 143066), (154, 135634), (292, 71533), (308, 67817), (511, 40876), (803, 26012), (929, 22484), (1022, 20438), (1606, 13006), (1858, 11242), (2044, 10219), (3212, 6503), (3716, 5621)]