20818472

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{153077}}^1$

素因数の和:153100

約数の個数: 16

約数和(自身を含む): 41331060

約数和(自身を除く): 20512588

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 153077, 306154, 612308, 1224616, 2602309, 5204618, 10409236, 20818472]

約数ペア:

[(1, 20818472), (2, 10409236), (4, 5204618), (8, 2602309), (17, 1224616), (34, 612308), (68, 306154), (136, 153077)]