20404265

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{241}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 29272320

約数和(自身を除く): 8868055

約数列:

[1, 5, 7, 35, 41, 59, 205, 241, 287, 295, 413, 1205, 1435, 1687, 2065, 2419, 8435, 9881, 12095, 14219, 16933, 49405, 69167, 71095, 84665, 99533, 345835, 497665, 582979, 2914895, 4080853, 20404265]

約数ペア:

[(1, 20404265), (5, 4080853), (7, 2914895), (35, 582979), (41, 497665), (59, 345835), (205, 99533), (241, 84665), (287, 71095), (295, 69167), (413, 49405), (1205, 16933), (1435, 14219), (1687, 12095), (2065, 9881), (2419, 8435)]