20461284

素因数分解:

$2^2\times 3^2\times {\mathrm{443}}^1\times {\mathrm{1283}}^1$

素因数の和:1736

約数の個数: 36

約数和(自身を含む): 51878736

約数和(自身を除く): 31417452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 443, 886, 1283, 1329, 1772, 2566, 2658, 3849, 3987, 5132, 5316, 7698, 7974, 11547, 15396, 15948, 23094, 46188, 568369, 1136738, 1705107, 2273476, 3410214, 5115321, 6820428, 10230642, 20461284]

約数ペア:

[(1, 20461284), (2, 10230642), (3, 6820428), (4, 5115321), (6, 3410214), (9, 2273476), (12, 1705107), (18, 1136738), (36, 568369), (443, 46188), (886, 23094), (1283, 15948), (1329, 15396), (1772, 11547), (2566, 7974), (2658, 7698), (3849, 5316), (3987, 5132)]