20516262120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{18996539}}^1$

素因数の和:18996559

約数の個数: 64

約数和(自身を含む): 68387544000

約数和(自身を除く): 47871281880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 18996539, 37993078, 56989617, 75986156, 94982695, 113979234, 151972312, 170968851, 189965390, 227958468, 284948085, 341937702, 379930780, 455916936, 512906553, 569896170, 683875404, 759861560, 854844255, 1025813106, 1139792340, 1367750808, 1709688510, 2051626212, 2279584680, 2564532765, 3419377020, 4103252424, 5129065530, 6838754040, 10258131060, 20516262120]

約数ペア:

[(1, 20516262120), (2, 10258131060), (3, 6838754040), (4, 5129065530), (5, 4103252424), (6, 3419377020), (8, 2564532765), (9, 2279584680), (10, 2051626212), (12, 1709688510), (15, 1367750808), (18, 1139792340), (20, 1025813106), (24, 854844255), (27, 759861560), (30, 683875404), (36, 569896170), (40, 512906553), (45, 455916936), (54, 379930780), (60, 341937702), (72, 284948085), (90, 227958468), (108, 189965390), (120, 170968851), (135, 151972312), (180, 113979234), (216, 94982695), (270, 75986156), (360, 56989617), (540, 37993078), (1080, 18996539)]