20681530

素因数分解:

$2^1\times 5^1\times {\mathrm{709}}^1\times {\mathrm{2917}}^1$

素因数の和:3633

約数の個数: 16

約数和(自身を含む): 37292040

約数和(自身を除く): 16610510

約数列:

[1, 2, 5, 10, 709, 1418, 2917, 3545, 5834, 7090, 14585, 29170, 2068153, 4136306, 10340765, 20681530]

約数ペア:

[(1, 20681530), (2, 10340765), (5, 4136306), (10, 2068153), (709, 29170), (1418, 14585), (2917, 7090), (3545, 5834)]