20173684290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{421}}^1$

素因数の和:788

約数の個数: 128

約数和(自身を含む): 49812744960

約数和(自身を除く): 29639060670

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 89, 131, 137, 178, 262, 267, 274, 393, 411, 421, 445, 534, 655, 685, 786, 822, 842, 890, 1263, 1310, 1335, 1370, 1965, 2055, 2105, 2526, 2670, 3930, 4110, 4210, 6315, 11659, 12193, 12630, 17947, 23318, 24386, 34977, 35894, 36579, 37469, 53841, 55151, 57677, 58295, 60965, 69954, 73158, 74938, 89735, 107682, 110302, 112407, 115354, 116590, 121930, 165453, 173031, 174885, 179470, 182895, 187345, 224814, 269205, 275755, 288385, 330906, 346062, 349770, 365790, 374690, 538410, 551510, 562035, 576770, 827265, 865155, 1124070, 1597283, 1654530, 1730310, 3194566, 4791849, 4908439, 5133253, 7555687, 7986415, 9583698, 9816878, 10266506, 14725317, 15111374, 15399759, 15972830, 22667061, 23959245, 24542195, 25666265, 29450634, 30799518, 37778435, 45334122, 47918490, 49084390, 51332530, 73626585, 75556870, 76998795, 113335305, 147253170, 153997590, 226670610, 672456143, 1344912286, 2017368429, 3362280715, 4034736858, 6724561430, 10086842145, 20173684290]

約数ペア:

[(1, 20173684290), (2, 10086842145), (3, 6724561430), (5, 4034736858), (6, 3362280715), (10, 2017368429), (15, 1344912286), (30, 672456143), (89, 226670610), (131, 153997590), (137, 147253170), (178, 113335305), (262, 76998795), (267, 75556870), (274, 73626585), (393, 51332530), (411, 49084390), (421, 47918490), (445, 45334122), (534, 37778435), (655, 30799518), (685, 29450634), (786, 25666265), (822, 24542195), (842, 23959245), (890, 22667061), (1263, 15972830), (1310, 15399759), (1335, 15111374), (1370, 14725317), (1965, 10266506), (2055, 9816878), (2105, 9583698), (2526, 7986415), (2670, 7555687), (3930, 5133253), (4110, 4908439), (4210, 4791849), (6315, 3194566), (11659, 1730310), (12193, 1654530), (12630, 1597283), (17947, 1124070), (23318, 865155), (24386, 827265), (34977, 576770), (35894, 562035), (36579, 551510), (37469, 538410), (53841, 374690), (55151, 365790), (57677, 349770), (58295, 346062), (60965, 330906), (69954, 288385), (73158, 275755), (74938, 269205), (89735, 224814), (107682, 187345), (110302, 182895), (112407, 179470), (115354, 174885), (116590, 173031), (121930, 165453)]