20745436

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{1171}}^1$

素因数の和:1321

約数の個数: 24

約数和(自身を含む): 37541504

約数和(自身を除く): 16796068

約数列:

[1, 2, 4, 43, 86, 103, 172, 206, 412, 1171, 2342, 4429, 4684, 8858, 17716, 50353, 100706, 120613, 201412, 241226, 482452, 5186359, 10372718, 20745436]

約数ペア:

[(1, 20745436), (2, 10372718), (4, 5186359), (43, 482452), (86, 241226), (103, 201412), (172, 120613), (206, 100706), (412, 50353), (1171, 17716), (2342, 8858), (4429, 4684)]