20913912

素因数分解:

$2^3\times 3^2\times {\mathrm{290471}}^1$

素因数の和:290483

約数の個数: 24

約数和(自身を含む): 56642040

約数和(自身を除く): 35728128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 290471, 580942, 871413, 1161884, 1742826, 2323768, 2614239, 3485652, 5228478, 6971304, 10456956, 20913912]

約数ペア:

[(1, 20913912), (2, 10456956), (3, 6971304), (4, 5228478), (6, 3485652), (8, 2614239), (9, 2323768), (12, 1742826), (18, 1161884), (24, 871413), (36, 580942), (72, 290471)]