20908560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87119}}^1$

素因数の和:87135

約数の個数: 40

約数和(自身を含む): 64817280

約数和(自身を除く): 43908720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87119, 174238, 261357, 348476, 435595, 522714, 696952, 871190, 1045428, 1306785, 1393904, 1742380, 2090856, 2613570, 3484760, 4181712, 5227140, 6969520, 10454280, 20908560]

約数ペア:

[(1, 20908560), (2, 10454280), (3, 6969520), (4, 5227140), (5, 4181712), (6, 3484760), (8, 2613570), (10, 2090856), (12, 1742380), (15, 1393904), (16, 1306785), (20, 1045428), (24, 871190), (30, 696952), (40, 522714), (48, 435595), (60, 348476), (80, 261357), (120, 174238), (240, 87119)]