20426704

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{20929}}^1$

素因数の和:20998

約数の個数: 20

約数和(自身を含む): 40227460

約数和(自身を除く): 19800756

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 20929, 41858, 83716, 167432, 334864, 1276669, 2553338, 5106676, 10213352, 20426704]

約数ペア:

[(1, 20426704), (2, 10213352), (4, 5106676), (8, 2553338), (16, 1276669), (61, 334864), (122, 167432), (244, 83716), (488, 41858), (976, 20929)]