20551896

素因数分解:

$2^3\times 3^2\times {\mathrm{397}}^1\times {\mathrm{719}}^1$

素因数の和:1128

約数の個数: 48

約数和(自身を含む): 55879200

約数和(自身を除く): 35327304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 397, 719, 794, 1191, 1438, 1588, 2157, 2382, 2876, 3176, 3573, 4314, 4764, 5752, 6471, 7146, 8628, 9528, 12942, 14292, 17256, 25884, 28584, 51768, 285443, 570886, 856329, 1141772, 1712658, 2283544, 2568987, 3425316, 5137974, 6850632, 10275948, 20551896]

約数ペア:

[(1, 20551896), (2, 10275948), (3, 6850632), (4, 5137974), (6, 3425316), (8, 2568987), (9, 2283544), (12, 1712658), (18, 1141772), (24, 856329), (36, 570886), (72, 285443), (397, 51768), (719, 28584), (794, 25884), (1191, 17256), (1438, 14292), (1588, 12942), (2157, 9528), (2382, 8628), (2876, 7146), (3176, 6471), (3573, 5752), (4314, 4764)]