20799240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2251}}^1$

素因数の和:2283

約数の個数: 128

約数和(自身を含む): 77829120

約数和(自身を除く): 57029880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2251, 2310, 3080, 4502, 4620, 6753, 9004, 9240, 11255, 13506, 15757, 18008, 22510, 24761, 27012, 31514, 33765, 45020, 47271, 49522, 54024, 63028, 67530, 74283, 78785, 90040, 94542, 99044, 123805, 126056, 135060, 148566, 157570, 173327, 189084, 198088, 236355, 247610, 270120, 297132, 315140, 346654, 371415, 378168, 472710, 495220, 519981, 594264, 630280, 693308, 742830, 866635, 945420, 990440, 1039962, 1386616, 1485660, 1733270, 1890840, 2079924, 2599905, 2971320, 3466540, 4159848, 5199810, 6933080, 10399620, 20799240]

約数ペア:

[(1, 20799240), (2, 10399620), (3, 6933080), (4, 5199810), (5, 4159848), (6, 3466540), (7, 2971320), (8, 2599905), (10, 2079924), (11, 1890840), (12, 1733270), (14, 1485660), (15, 1386616), (20, 1039962), (21, 990440), (22, 945420), (24, 866635), (28, 742830), (30, 693308), (33, 630280), (35, 594264), (40, 519981), (42, 495220), (44, 472710), (55, 378168), (56, 371415), (60, 346654), (66, 315140), (70, 297132), (77, 270120), (84, 247610), (88, 236355), (105, 198088), (110, 189084), (120, 173327), (132, 157570), (140, 148566), (154, 135060), (165, 126056), (168, 123805), (210, 99044), (220, 94542), (231, 90040), (264, 78785), (280, 74283), (308, 67530), (330, 63028), (385, 54024), (420, 49522), (440, 47271), (462, 45020), (616, 33765), (660, 31514), (770, 27012), (840, 24761), (924, 22510), (1155, 18008), (1320, 15757), (1540, 13506), (1848, 11255), (2251, 9240), (2310, 9004), (3080, 6753), (4502, 4620)]