20211206640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2903909}}^1$

素因数の和:2903954

約数の個数: 80

約数和(自身を含む): 64815271200

約数和(自身を除く): 44604064560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 145, 174, 232, 240, 290, 348, 435, 464, 580, 696, 870, 1160, 1392, 1740, 2320, 3480, 6960, 2903909, 5807818, 8711727, 11615636, 14519545, 17423454, 23231272, 29039090, 34846908, 43558635, 46462544, 58078180, 69693816, 84213361, 87117270, 116156360, 139387632, 168426722, 174234540, 232312720, 252640083, 336853444, 348469080, 421066805, 505280166, 673706888, 696938160, 842133610, 1010560332, 1263200415, 1347413776, 1684267220, 2021120664, 2526400830, 3368534440, 4042241328, 5052801660, 6737068880, 10105603320, 20211206640]

約数ペア:

[(1, 20211206640), (2, 10105603320), (3, 6737068880), (4, 5052801660), (5, 4042241328), (6, 3368534440), (8, 2526400830), (10, 2021120664), (12, 1684267220), (15, 1347413776), (16, 1263200415), (20, 1010560332), (24, 842133610), (29, 696938160), (30, 673706888), (40, 505280166), (48, 421066805), (58, 348469080), (60, 336853444), (80, 252640083), (87, 232312720), (116, 174234540), (120, 168426722), (145, 139387632), (174, 116156360), (232, 87117270), (240, 84213361), (290, 69693816), (348, 58078180), (435, 46462544), (464, 43558635), (580, 34846908), (696, 29039090), (870, 23231272), (1160, 17423454), (1392, 14519545), (1740, 11615636), (2320, 8711727), (3480, 5807818), (6960, 2903909)]