20754360

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1747}}^1$

素因数の和:1778

約数の個数: 128

約数和(自身を含む): 75513600

約数和(自身を除く): 54759240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1747, 1980, 2376, 2970, 3494, 3960, 5241, 5940, 6988, 8735, 10482, 11880, 13976, 15723, 17470, 19217, 20964, 26205, 31446, 34940, 38434, 41928, 47169, 52410, 57651, 62892, 69880, 76868, 78615, 94338, 96085, 104820, 115302, 125784, 153736, 157230, 172953, 188676, 192170, 209640, 230604, 235845, 288255, 314460, 345906, 377352, 384340, 461208, 471690, 518859, 576510, 628920, 691812, 768680, 864765, 943380, 1037718, 1153020, 1383624, 1729530, 1886760, 2075436, 2306040, 2594295, 3459060, 4150872, 5188590, 6918120, 10377180, 20754360]

約数ペア:

[(1, 20754360), (2, 10377180), (3, 6918120), (4, 5188590), (5, 4150872), (6, 3459060), (8, 2594295), (9, 2306040), (10, 2075436), (11, 1886760), (12, 1729530), (15, 1383624), (18, 1153020), (20, 1037718), (22, 943380), (24, 864765), (27, 768680), (30, 691812), (33, 628920), (36, 576510), (40, 518859), (44, 471690), (45, 461208), (54, 384340), (55, 377352), (60, 345906), (66, 314460), (72, 288255), (88, 235845), (90, 230604), (99, 209640), (108, 192170), (110, 188676), (120, 172953), (132, 157230), (135, 153736), (165, 125784), (180, 115302), (198, 104820), (216, 96085), (220, 94338), (264, 78615), (270, 76868), (297, 69880), (330, 62892), (360, 57651), (396, 52410), (440, 47169), (495, 41928), (540, 38434), (594, 34940), (660, 31446), (792, 26205), (990, 20964), (1080, 19217), (1188, 17470), (1320, 15723), (1485, 13976), (1747, 11880), (1980, 10482), (2376, 8735), (2970, 6988), (3494, 5940), (3960, 5241)]