20633753

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{599}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 25992000

約数和(自身を除く): 5358247

約数列:

[1, 7, 19, 37, 49, 133, 259, 599, 703, 931, 1813, 4193, 4921, 11381, 22163, 29351, 34447, 79667, 155141, 421097, 557669, 1085987, 2947679, 20633753]

約数ペア:

[(1, 20633753), (7, 2947679), (19, 1085987), (37, 557669), (49, 421097), (133, 155141), (259, 79667), (599, 34447), (703, 29351), (931, 22163), (1813, 11381), (4193, 4921)]