20766382

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:233

約数の個数: 48

約数和(自身を含む): 39422592

約数和(自身を除く): 18656210

約数列:

[1, 2, 7, 13, 14, 26, 67, 91, 131, 134, 169, 182, 262, 338, 469, 871, 917, 938, 1183, 1703, 1742, 1834, 2366, 3406, 6097, 8777, 11323, 11921, 12194, 17554, 22139, 22646, 23842, 44278, 61439, 79261, 114101, 122878, 154973, 158522, 228202, 309946, 798707, 1483313, 1597414, 2966626, 10383191, 20766382]

約数ペア:

[(1, 20766382), (2, 10383191), (7, 2966626), (13, 1597414), (14, 1483313), (26, 798707), (67, 309946), (91, 228202), (131, 158522), (134, 154973), (169, 122878), (182, 114101), (262, 79261), (338, 61439), (469, 44278), (871, 23842), (917, 22646), (938, 22139), (1183, 17554), (1703, 12194), (1742, 11921), (1834, 11323), (2366, 8777), (3406, 6097)]