13239620

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6427}}^1$

素因数の和:6539

約数の個数: 24

約数和(自身を含む): 28077504

約数和(自身を除く): 14837884

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 6427, 12854, 25708, 32135, 64270, 128540, 661981, 1323962, 2647924, 3309905, 6619810, 13239620]

約数ペア:

[(1, 13239620), (2, 6619810), (4, 3309905), (5, 2647924), (10, 1323962), (20, 661981), (103, 128540), (206, 64270), (412, 32135), (515, 25708), (1030, 12854), (2060, 6427)]