20432878150

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{1979}}^1\times {\mathrm{5581}}^1$

素因数の和:7609

約数の個数: 48

約数和(自身を含む): 39059040240

約数和(自身を除く): 18626162090

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 185, 370, 925, 1850, 1979, 3958, 5581, 9895, 11162, 19790, 27905, 49475, 55810, 73223, 98950, 139525, 146446, 206497, 279050, 366115, 412994, 732230, 1032485, 1830575, 2064970, 3661150, 5162425, 10324850, 11044799, 22089598, 55223995, 110447990, 276119975, 408657563, 552239950, 817315126, 2043287815, 4086575630, 10216439075, 20432878150]

約数ペア:

[(1, 20432878150), (2, 10216439075), (5, 4086575630), (10, 2043287815), (25, 817315126), (37, 552239950), (50, 408657563), (74, 276119975), (185, 110447990), (370, 55223995), (925, 22089598), (1850, 11044799), (1979, 10324850), (3958, 5162425), (5581, 3661150), (9895, 2064970), (11162, 1830575), (19790, 1032485), (27905, 732230), (49475, 412994), (55810, 366115), (73223, 279050), (98950, 206497), (139525, 146446)]