20570760

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{907}}^1$

素因数の和:937

約数の個数: 160

約数和(自身を含む): 79104960

約数和(自身を除く): 58534200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 907, 945, 1080, 1134, 1260, 1512, 1620, 1814, 1890, 2268, 2520, 2721, 2835, 3240, 3628, 3780, 4535, 4536, 5442, 5670, 6349, 7256, 7560, 8163, 9070, 10884, 11340, 12698, 13605, 16326, 18140, 19047, 21768, 22680, 24489, 25396, 27210, 31745, 32652, 36280, 38094, 40815, 48978, 50792, 54420, 57141, 63490, 65304, 73467, 76188, 81630, 95235, 97956, 108840, 114282, 122445, 126980, 146934, 152376, 163260, 171423, 190470, 195912, 228564, 244890, 253960, 285705, 293868, 326520, 342846, 367335, 380940, 457128, 489780, 514269, 571410, 587736, 685692, 734670, 761880, 857115, 979560, 1028538, 1142820, 1371384, 1469340, 1714230, 2057076, 2285640, 2571345, 2938680, 3428460, 4114152, 5142690, 6856920, 10285380, 20570760]

約数ペア:

[(1, 20570760), (2, 10285380), (3, 6856920), (4, 5142690), (5, 4114152), (6, 3428460), (7, 2938680), (8, 2571345), (9, 2285640), (10, 2057076), (12, 1714230), (14, 1469340), (15, 1371384), (18, 1142820), (20, 1028538), (21, 979560), (24, 857115), (27, 761880), (28, 734670), (30, 685692), (35, 587736), (36, 571410), (40, 514269), (42, 489780), (45, 457128), (54, 380940), (56, 367335), (60, 342846), (63, 326520), (70, 293868), (72, 285705), (81, 253960), (84, 244890), (90, 228564), (105, 195912), (108, 190470), (120, 171423), (126, 163260), (135, 152376), (140, 146934), (162, 126980), (168, 122445), (180, 114282), (189, 108840), (210, 97956), (216, 95235), (252, 81630), (270, 76188), (280, 73467), (315, 65304), (324, 63490), (360, 57141), (378, 54420), (405, 50792), (420, 48978), (504, 40815), (540, 38094), (567, 36280), (630, 32652), (648, 31745), (756, 27210), (810, 25396), (840, 24489), (907, 22680), (945, 21768), (1080, 19047), (1134, 18140), (1260, 16326), (1512, 13605), (1620, 12698), (1814, 11340), (1890, 10884), (2268, 9070), (2520, 8163), (2721, 7560), (2835, 7256), (3240, 6349), (3628, 5670), (3780, 5442), (4535, 4536)]