20121880570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1\times {\mathrm{18379}}^1$

素因数の和:18703

約数の個数: 64

約数和(自身を含む): 40733020800

約数和(自身を除く): 20611140230

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 269, 370, 407, 538, 814, 1345, 2035, 2690, 2959, 4070, 5918, 9953, 14795, 18379, 19906, 29590, 36758, 49765, 91895, 99530, 109483, 183790, 202169, 218966, 404338, 547415, 680023, 1010845, 1094830, 1360046, 2021690, 3400115, 4943951, 6800230, 7480253, 9887902, 14960506, 24719755, 37401265, 49439510, 54383461, 74802530, 108766922, 182926187, 271917305, 365852374, 543834610, 914630935, 1829261870, 2012188057, 4024376114, 10060940285, 20121880570]

約数ペア:

[(1, 20121880570), (2, 10060940285), (5, 4024376114), (10, 2012188057), (11, 1829261870), (22, 914630935), (37, 543834610), (55, 365852374), (74, 271917305), (110, 182926187), (185, 108766922), (269, 74802530), (370, 54383461), (407, 49439510), (538, 37401265), (814, 24719755), (1345, 14960506), (2035, 9887902), (2690, 7480253), (2959, 6800230), (4070, 4943951), (5918, 3400115), (9953, 2021690), (14795, 1360046), (18379, 1094830), (19906, 1010845), (29590, 680023), (36758, 547415), (49765, 404338), (91895, 218966), (99530, 202169), (109483, 183790)]