20686798

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{40883}}^1$

素因数の和:40919

約数の個数: 16

約数和(自身を含む): 35323776

約数和(自身を除く): 14636978

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 40883, 81766, 449713, 899426, 940309, 1880618, 10343399, 20686798]

約数ペア:

[(1, 20686798), (2, 10343399), (11, 1880618), (22, 940309), (23, 899426), (46, 449713), (253, 81766), (506, 40883)]