20263080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1289}}^1$

素因数の和:1434

約数の個数: 64

約数和(自身を含む): 61300800

約数和(自身を除く): 41037720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1289, 1310, 1572, 1965, 2578, 2620, 3144, 3867, 3930, 5156, 5240, 6445, 7734, 7860, 10312, 12890, 15468, 15720, 19335, 25780, 30936, 38670, 51560, 77340, 154680, 168859, 337718, 506577, 675436, 844295, 1013154, 1350872, 1688590, 2026308, 2532885, 3377180, 4052616, 5065770, 6754360, 10131540, 20263080]

約数ペア:

[(1, 20263080), (2, 10131540), (3, 6754360), (4, 5065770), (5, 4052616), (6, 3377180), (8, 2532885), (10, 2026308), (12, 1688590), (15, 1350872), (20, 1013154), (24, 844295), (30, 675436), (40, 506577), (60, 337718), (120, 168859), (131, 154680), (262, 77340), (393, 51560), (524, 38670), (655, 30936), (786, 25780), (1048, 19335), (1289, 15720), (1310, 15468), (1572, 12890), (1965, 10312), (2578, 7860), (2620, 7734), (3144, 6445), (3867, 5240), (3930, 5156)]