20073060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:290

約数の個数: 144

約数和(自身を含む): 70761600

約数和(自身を除く): 50688540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 89, 90, 105, 126, 140, 178, 179, 180, 210, 252, 267, 315, 356, 358, 420, 445, 534, 537, 623, 630, 716, 801, 890, 895, 1068, 1074, 1246, 1253, 1260, 1335, 1602, 1611, 1780, 1790, 1869, 2148, 2492, 2506, 2670, 2685, 3115, 3204, 3222, 3580, 3738, 3759, 4005, 5012, 5340, 5370, 5607, 6230, 6265, 6444, 7476, 7518, 8010, 8055, 9345, 10740, 11214, 11277, 12460, 12530, 15036, 15931, 16020, 16110, 18690, 18795, 22428, 22554, 25060, 28035, 31862, 32220, 37380, 37590, 45108, 47793, 56070, 56385, 63724, 75180, 79655, 95586, 111517, 112140, 112770, 143379, 159310, 191172, 223034, 225540, 238965, 286758, 318620, 334551, 446068, 477930, 557585, 573516, 669102, 716895, 955860, 1003653, 1115170, 1338204, 1433790, 1672755, 2007306, 2230340, 2867580, 3345510, 4014612, 5018265, 6691020, 10036530, 20073060]

約数ペア:

[(1, 20073060), (2, 10036530), (3, 6691020), (4, 5018265), (5, 4014612), (6, 3345510), (7, 2867580), (9, 2230340), (10, 2007306), (12, 1672755), (14, 1433790), (15, 1338204), (18, 1115170), (20, 1003653), (21, 955860), (28, 716895), (30, 669102), (35, 573516), (36, 557585), (42, 477930), (45, 446068), (60, 334551), (63, 318620), (70, 286758), (84, 238965), (89, 225540), (90, 223034), (105, 191172), (126, 159310), (140, 143379), (178, 112770), (179, 112140), (180, 111517), (210, 95586), (252, 79655), (267, 75180), (315, 63724), (356, 56385), (358, 56070), (420, 47793), (445, 45108), (534, 37590), (537, 37380), (623, 32220), (630, 31862), (716, 28035), (801, 25060), (890, 22554), (895, 22428), (1068, 18795), (1074, 18690), (1246, 16110), (1253, 16020), (1260, 15931), (1335, 15036), (1602, 12530), (1611, 12460), (1780, 11277), (1790, 11214), (1869, 10740), (2148, 9345), (2492, 8055), (2506, 8010), (2670, 7518), (2685, 7476), (3115, 6444), (3204, 6265), (3222, 6230), (3580, 5607), (3738, 5370), (3759, 5340), (4005, 5012)]