20139045560

素因数分解:

$2^3\times 5^1\times {\mathrm{503476139}}^1$

素因数の和:503476150

約数の個数: 16

約数和(自身を含む): 45312852600

約数和(自身を除く): 25173807040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503476139, 1006952278, 2013904556, 2517380695, 4027809112, 5034761390, 10069522780, 20139045560]

約数ペア:

[(1, 20139045560), (2, 10069522780), (4, 5034761390), (5, 4027809112), (8, 2517380695), (10, 2013904556), (20, 1006952278), (40, 503476139)]