20903172

素因数分解:

$2^2\times 3^1\times {\mathrm{409}}^1\times {\mathrm{4259}}^1$

素因数の和:4675

約数の個数: 24

約数和(自身を含む): 48904800

約数和(自身を除く): 28001628

約数列:

[1, 2, 3, 4, 6, 12, 409, 818, 1227, 1636, 2454, 4259, 4908, 8518, 12777, 17036, 25554, 51108, 1741931, 3483862, 5225793, 6967724, 10451586, 20903172]

約数ペア:

[(1, 20903172), (2, 10451586), (3, 6967724), (4, 5225793), (6, 3483862), (12, 1741931), (409, 51108), (818, 25554), (1227, 17036), (1636, 12777), (2454, 8518), (4259, 4908)]