20194440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{829}}^1$

素因数の和:879

約数の個数: 128

約数和(自身を含む): 71712000

約数和(自身を除く): 51517560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 56, 58, 60, 70, 84, 87, 105, 116, 120, 140, 145, 168, 174, 203, 210, 232, 280, 290, 348, 406, 420, 435, 580, 609, 696, 812, 829, 840, 870, 1015, 1160, 1218, 1624, 1658, 1740, 2030, 2436, 2487, 3045, 3316, 3480, 4060, 4145, 4872, 4974, 5803, 6090, 6632, 8120, 8290, 9948, 11606, 12180, 12435, 16580, 17409, 19896, 23212, 24041, 24360, 24870, 29015, 33160, 34818, 46424, 48082, 49740, 58030, 69636, 72123, 87045, 96164, 99480, 116060, 120205, 139272, 144246, 168287, 174090, 192328, 232120, 240410, 288492, 336574, 348180, 360615, 480820, 504861, 576984, 673148, 696360, 721230, 841435, 961640, 1009722, 1346296, 1442460, 1682870, 2019444, 2524305, 2884920, 3365740, 4038888, 5048610, 6731480, 10097220, 20194440]

約数ペア:

[(1, 20194440), (2, 10097220), (3, 6731480), (4, 5048610), (5, 4038888), (6, 3365740), (7, 2884920), (8, 2524305), (10, 2019444), (12, 1682870), (14, 1442460), (15, 1346296), (20, 1009722), (21, 961640), (24, 841435), (28, 721230), (29, 696360), (30, 673148), (35, 576984), (40, 504861), (42, 480820), (56, 360615), (58, 348180), (60, 336574), (70, 288492), (84, 240410), (87, 232120), (105, 192328), (116, 174090), (120, 168287), (140, 144246), (145, 139272), (168, 120205), (174, 116060), (203, 99480), (210, 96164), (232, 87045), (280, 72123), (290, 69636), (348, 58030), (406, 49740), (420, 48082), (435, 46424), (580, 34818), (609, 33160), (696, 29015), (812, 24870), (829, 24360), (840, 24041), (870, 23212), (1015, 19896), (1160, 17409), (1218, 16580), (1624, 12435), (1658, 12180), (1740, 11606), (2030, 9948), (2436, 8290), (2487, 8120), (3045, 6632), (3316, 6090), (3480, 5803), (4060, 4974), (4145, 4872)]