20896164

素因数分解:

$2^2\times 3^3\times {\mathrm{191}}^1\times {\mathrm{1013}}^1$

素因数の和:1217

約数の個数: 48

約数和(自身を含む): 54512640

約数和(自身を除く): 33616476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 191, 382, 573, 764, 1013, 1146, 1719, 2026, 2292, 3039, 3438, 4052, 5157, 6078, 6876, 9117, 10314, 12156, 18234, 20628, 27351, 36468, 54702, 109404, 193483, 386966, 580449, 773932, 1160898, 1741347, 2321796, 3482694, 5224041, 6965388, 10448082, 20896164]

約数ペア:

[(1, 20896164), (2, 10448082), (3, 6965388), (4, 5224041), (6, 3482694), (9, 2321796), (12, 1741347), (18, 1160898), (27, 773932), (36, 580449), (54, 386966), (108, 193483), (191, 109404), (382, 54702), (573, 36468), (764, 27351), (1013, 20628), (1146, 18234), (1719, 12156), (2026, 10314), (2292, 9117), (3039, 6876), (3438, 6078), (4052, 5157)]