20298180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1559}}^1$

素因数の和:1609

約数の個数: 96

約数和(自身を含む): 67092480

約数和(自身を除く): 46794300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1559, 1860, 2170, 2604, 3118, 3255, 4340, 4677, 6236, 6510, 7795, 9354, 10913, 13020, 15590, 18708, 21826, 23385, 31180, 32739, 43652, 46770, 48329, 54565, 65478, 93540, 96658, 109130, 130956, 144987, 163695, 193316, 218260, 241645, 289974, 327390, 338303, 483290, 579948, 654780, 676606, 724935, 966580, 1014909, 1353212, 1449870, 1691515, 2029818, 2899740, 3383030, 4059636, 5074545, 6766060, 10149090, 20298180]

約数ペア:

[(1, 20298180), (2, 10149090), (3, 6766060), (4, 5074545), (5, 4059636), (6, 3383030), (7, 2899740), (10, 2029818), (12, 1691515), (14, 1449870), (15, 1353212), (20, 1014909), (21, 966580), (28, 724935), (30, 676606), (31, 654780), (35, 579948), (42, 483290), (60, 338303), (62, 327390), (70, 289974), (84, 241645), (93, 218260), (105, 193316), (124, 163695), (140, 144987), (155, 130956), (186, 109130), (210, 96658), (217, 93540), (310, 65478), (372, 54565), (420, 48329), (434, 46770), (465, 43652), (620, 32739), (651, 31180), (868, 23385), (930, 21826), (1085, 18708), (1302, 15590), (1559, 13020), (1860, 10913), (2170, 9354), (2604, 7795), (3118, 6510), (3255, 6236), (4340, 4677)]