20165748

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{359}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 49029120

約数和(自身を除く): 28863372

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 151, 186, 302, 359, 372, 453, 604, 718, 906, 1077, 1436, 1812, 2154, 4308, 4681, 9362, 11129, 14043, 18724, 22258, 28086, 33387, 44516, 54209, 56172, 66774, 108418, 133548, 162627, 216836, 325254, 650508, 1680479, 3360958, 5041437, 6721916, 10082874, 20165748]

約数ペア:

[(1, 20165748), (2, 10082874), (3, 6721916), (4, 5041437), (6, 3360958), (12, 1680479), (31, 650508), (62, 325254), (93, 216836), (124, 162627), (151, 133548), (186, 108418), (302, 66774), (359, 56172), (372, 54209), (453, 44516), (604, 33387), (718, 28086), (906, 22258), (1077, 18724), (1436, 14043), (1812, 11129), (2154, 9362), (4308, 4681)]