20051760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:155

約数の個数: 160

約数和(自身を含む): 66781440

約数和(自身を除く): 46729680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 43, 48, 58, 60, 67, 80, 86, 87, 116, 120, 129, 134, 145, 172, 174, 201, 215, 232, 240, 258, 268, 290, 335, 344, 348, 402, 430, 435, 464, 516, 536, 580, 645, 670, 688, 696, 804, 860, 870, 1005, 1032, 1072, 1160, 1247, 1290, 1340, 1392, 1608, 1720, 1740, 1943, 2010, 2064, 2320, 2494, 2580, 2680, 2881, 3216, 3440, 3480, 3741, 3886, 4020, 4988, 5160, 5360, 5762, 5829, 6235, 6960, 7482, 7772, 8040, 8643, 9715, 9976, 10320, 11524, 11658, 12470, 14405, 14964, 15544, 16080, 17286, 18705, 19430, 19952, 23048, 23316, 24940, 28810, 29145, 29928, 31088, 34572, 37410, 38860, 43215, 46096, 46632, 49880, 57620, 58290, 59856, 69144, 74820, 77720, 83549, 86430, 93264, 99760, 115240, 116580, 138288, 149640, 155440, 167098, 172860, 230480, 233160, 250647, 299280, 334196, 345720, 417745, 466320, 501294, 668392, 691440, 835490, 1002588, 1253235, 1336784, 1670980, 2005176, 2506470, 3341960, 4010352, 5012940, 6683920, 10025880, 20051760]

約数ペア:

[(1, 20051760), (2, 10025880), (3, 6683920), (4, 5012940), (5, 4010352), (6, 3341960), (8, 2506470), (10, 2005176), (12, 1670980), (15, 1336784), (16, 1253235), (20, 1002588), (24, 835490), (29, 691440), (30, 668392), (40, 501294), (43, 466320), (48, 417745), (58, 345720), (60, 334196), (67, 299280), (80, 250647), (86, 233160), (87, 230480), (116, 172860), (120, 167098), (129, 155440), (134, 149640), (145, 138288), (172, 116580), (174, 115240), (201, 99760), (215, 93264), (232, 86430), (240, 83549), (258, 77720), (268, 74820), (290, 69144), (335, 59856), (344, 58290), (348, 57620), (402, 49880), (430, 46632), (435, 46096), (464, 43215), (516, 38860), (536, 37410), (580, 34572), (645, 31088), (670, 29928), (688, 29145), (696, 28810), (804, 24940), (860, 23316), (870, 23048), (1005, 19952), (1032, 19430), (1072, 18705), (1160, 17286), (1247, 16080), (1290, 15544), (1340, 14964), (1392, 14405), (1608, 12470), (1720, 11658), (1740, 11524), (1943, 10320), (2010, 9976), (2064, 9715), (2320, 8643), (2494, 8040), (2580, 7772), (2680, 7482), (2881, 6960), (3216, 6235), (3440, 5829), (3480, 5762), (3741, 5360), (3886, 5160), (4020, 4988)]