20345076

素因数分解:

$2^2\times 3^2\times {\mathrm{491}}^1\times {\mathrm{1151}}^1$

素因数の和:1652

約数の個数: 36

約数和(自身を含む): 51577344

約数和(自身を除く): 31232268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 491, 982, 1151, 1473, 1964, 2302, 2946, 3453, 4419, 4604, 5892, 6906, 8838, 10359, 13812, 17676, 20718, 41436, 565141, 1130282, 1695423, 2260564, 3390846, 5086269, 6781692, 10172538, 20345076]

約数ペア:

[(1, 20345076), (2, 10172538), (3, 6781692), (4, 5086269), (6, 3390846), (9, 2260564), (12, 1695423), (18, 1130282), (36, 565141), (491, 41436), (982, 20718), (1151, 17676), (1473, 13812), (1964, 10359), (2302, 8838), (2946, 6906), (3453, 5892), (4419, 4604)]