20013000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^1\times {\mathrm{953}}^1$

素因数の和:984

約数の個数: 128

約数和(自身を含む): 71435520

約数和(自身を除く): 51422520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 125, 140, 150, 168, 175, 200, 210, 250, 280, 300, 350, 375, 420, 500, 525, 600, 700, 750, 840, 875, 953, 1000, 1050, 1400, 1500, 1750, 1906, 2100, 2625, 2859, 3000, 3500, 3812, 4200, 4765, 5250, 5718, 6671, 7000, 7624, 9530, 10500, 11436, 13342, 14295, 19060, 20013, 21000, 22872, 23825, 26684, 28590, 33355, 38120, 40026, 47650, 53368, 57180, 66710, 71475, 80052, 95300, 100065, 114360, 119125, 133420, 142950, 160104, 166775, 190600, 200130, 238250, 266840, 285900, 333550, 357375, 400260, 476500, 500325, 571800, 667100, 714750, 800520, 833875, 953000, 1000650, 1334200, 1429500, 1667750, 2001300, 2501625, 2859000, 3335500, 4002600, 5003250, 6671000, 10006500, 20013000]

約数ペア:

[(1, 20013000), (2, 10006500), (3, 6671000), (4, 5003250), (5, 4002600), (6, 3335500), (7, 2859000), (8, 2501625), (10, 2001300), (12, 1667750), (14, 1429500), (15, 1334200), (20, 1000650), (21, 953000), (24, 833875), (25, 800520), (28, 714750), (30, 667100), (35, 571800), (40, 500325), (42, 476500), (50, 400260), (56, 357375), (60, 333550), (70, 285900), (75, 266840), (84, 238250), (100, 200130), (105, 190600), (120, 166775), (125, 160104), (140, 142950), (150, 133420), (168, 119125), (175, 114360), (200, 100065), (210, 95300), (250, 80052), (280, 71475), (300, 66710), (350, 57180), (375, 53368), (420, 47650), (500, 40026), (525, 38120), (600, 33355), (700, 28590), (750, 26684), (840, 23825), (875, 22872), (953, 21000), (1000, 20013), (1050, 19060), (1400, 14295), (1500, 13342), (1750, 11436), (1906, 10500), (2100, 9530), (2625, 7624), (2859, 7000), (3000, 6671), (3500, 5718), (3812, 5250), (4200, 4765)]