20815064

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{25261}}^1$

素因数の和:25370

約数の個数: 16

約数和(自身を含む): 39408720

約数和(自身を除く): 18593656

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 25261, 50522, 101044, 202088, 2601883, 5203766, 10407532, 20815064]

約数ペア:

[(1, 20815064), (2, 10407532), (4, 5203766), (8, 2601883), (103, 202088), (206, 101044), (412, 50522), (824, 25261)]