20191138970

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{22686673}}^1$

素因数の和:22686769

約数の個数: 16

約数和(自身を含む): 36752411880

約数和(自身を除く): 16561272910

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 22686673, 45373346, 113433365, 226866730, 2019113897, 4038227794, 10095569485, 20191138970]

約数ペア:

[(1, 20191138970), (2, 10095569485), (5, 4038227794), (10, 2019113897), (89, 226866730), (178, 113433365), (445, 45373346), (890, 22686673)]