20643148

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{601}}^1$

素因数の和:913

約数の個数: 24

約数和(自身を含む): 37487744

約数和(自身を除く): 16844596

約数列:

[1, 2, 4, 31, 62, 124, 277, 554, 601, 1108, 1202, 2404, 8587, 17174, 18631, 34348, 37262, 74524, 166477, 332954, 665908, 5160787, 10321574, 20643148]

約数ペア:

[(1, 20643148), (2, 10321574), (4, 5160787), (31, 665908), (62, 332954), (124, 166477), (277, 74524), (554, 37262), (601, 34348), (1108, 18631), (1202, 17174), (2404, 8587)]