20256120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56267}}^1$

素因数の和:56284

約数の個数: 48

約数和(自身を含む): 65833560

約数和(自身を除く): 45577440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 56267, 112534, 168801, 225068, 281335, 337602, 450136, 506403, 562670, 675204, 844005, 1012806, 1125340, 1350408, 1688010, 2025612, 2250680, 2532015, 3376020, 4051224, 5064030, 6752040, 10128060, 20256120]

約数ペア:

[(1, 20256120), (2, 10128060), (3, 6752040), (4, 5064030), (5, 4051224), (6, 3376020), (8, 2532015), (9, 2250680), (10, 2025612), (12, 1688010), (15, 1350408), (18, 1125340), (20, 1012806), (24, 844005), (30, 675204), (36, 562670), (40, 506403), (45, 450136), (60, 337602), (72, 281335), (90, 225068), (120, 168801), (180, 112534), (360, 56267)]