20173638960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{394633}}^1$

素因数の和:394723

約数の個数: 120

約数和(自身を含む): 68704200864

約数和(自身を除く): 48530561904

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 71, 72, 80, 90, 120, 142, 144, 180, 213, 240, 284, 355, 360, 426, 568, 639, 710, 720, 852, 1065, 1136, 1278, 1420, 1704, 2130, 2556, 2840, 3195, 3408, 4260, 5112, 5680, 6390, 8520, 10224, 12780, 17040, 25560, 51120, 394633, 789266, 1183899, 1578532, 1973165, 2367798, 3157064, 3551697, 3946330, 4735596, 5919495, 6314128, 7103394, 7892660, 9471192, 11838990, 14206788, 15785320, 17758485, 18942384, 23677980, 28018943, 28413576, 31570640, 35516970, 47355960, 56037886, 56827152, 71033940, 84056829, 94711920, 112075772, 140094715, 142067880, 168113658, 224151544, 252170487, 280189430, 284135760, 336227316, 420284145, 448303088, 504340974, 560378860, 672454632, 840568290, 1008681948, 1120757720, 1260852435, 1344909264, 1681136580, 2017363896, 2241515440, 2521704870, 3362273160, 4034727792, 5043409740, 6724546320, 10086819480, 20173638960]

約数ペア:

[(1, 20173638960), (2, 10086819480), (3, 6724546320), (4, 5043409740), (5, 4034727792), (6, 3362273160), (8, 2521704870), (9, 2241515440), (10, 2017363896), (12, 1681136580), (15, 1344909264), (16, 1260852435), (18, 1120757720), (20, 1008681948), (24, 840568290), (30, 672454632), (36, 560378860), (40, 504340974), (45, 448303088), (48, 420284145), (60, 336227316), (71, 284135760), (72, 280189430), (80, 252170487), (90, 224151544), (120, 168113658), (142, 142067880), (144, 140094715), (180, 112075772), (213, 94711920), (240, 84056829), (284, 71033940), (355, 56827152), (360, 56037886), (426, 47355960), (568, 35516970), (639, 31570640), (710, 28413576), (720, 28018943), (852, 23677980), (1065, 18942384), (1136, 17758485), (1278, 15785320), (1420, 14206788), (1704, 11838990), (2130, 9471192), (2556, 7892660), (2840, 7103394), (3195, 6314128), (3408, 5919495), (4260, 4735596), (5112, 3946330), (5680, 3551697), (6390, 3157064), (8520, 2367798), (10224, 1973165), (12780, 1578532), (17040, 1183899), (25560, 789266), (51120, 394633)]