20452070

素因数分解:

$2^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{7603}}^1$

素因数の和:7879

約数の個数: 16

約数和(自身を含む): 36955440

約数和(自身を除く): 16503370

約数列:

[1, 2, 5, 10, 269, 538, 1345, 2690, 7603, 15206, 38015, 76030, 2045207, 4090414, 10226035, 20452070]

約数ペア:

[(1, 20452070), (2, 10226035), (5, 4090414), (10, 2045207), (269, 76030), (538, 38015), (1345, 15206), (2690, 7603)]