20942404

素因数分解:

$2^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{1811}}^1$

素因数の和:1888

約数の個数: 36

約数和(自身を含む): 43379280

約数和(自身を除く): 22436876

約数列:

[1, 2, 4, 7, 14, 28, 49, 59, 98, 118, 196, 236, 413, 826, 1652, 1811, 2891, 3622, 5782, 7244, 11564, 12677, 25354, 50708, 88739, 106849, 177478, 213698, 354956, 427396, 747943, 1495886, 2991772, 5235601, 10471202, 20942404]

約数ペア:

[(1, 20942404), (2, 10471202), (4, 5235601), (7, 2991772), (14, 1495886), (28, 747943), (49, 427396), (59, 354956), (98, 213698), (118, 177478), (196, 106849), (236, 88739), (413, 50708), (826, 25354), (1652, 12677), (1811, 11564), (2891, 7244), (3622, 5782)]