20613229

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 26853120

約数和(自身を除く): 6239891

約数列:

[1, 7, 13, 29, 73, 91, 107, 203, 377, 511, 749, 949, 1391, 2117, 2639, 3103, 6643, 7811, 9737, 14819, 21721, 27521, 40339, 54677, 101543, 192647, 226519, 282373, 710801, 1585633, 2944747, 20613229]

約数ペア:

[(1, 20613229), (7, 2944747), (13, 1585633), (29, 710801), (73, 282373), (91, 226519), (107, 192647), (203, 101543), (377, 54677), (511, 40339), (749, 27521), (949, 21721), (1391, 14819), (2117, 9737), (2639, 7811), (3103, 6643)]