20713684

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{727}}^1$

素因数の和:1167

約数の個数: 24

約数和(自身を含む): 38525760

約数和(自身を除く): 17812076

約数列:

[1, 2, 4, 17, 34, 68, 419, 727, 838, 1454, 1676, 2908, 7123, 12359, 14246, 24718, 28492, 49436, 304613, 609226, 1218452, 5178421, 10356842, 20713684]

約数ペア:

[(1, 20713684), (2, 10356842), (4, 5178421), (17, 1218452), (34, 609226), (68, 304613), (419, 49436), (727, 28492), (838, 24718), (1454, 14246), (1676, 12359), (2908, 7123)]