20786130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2381}}^1$

素因数の和:2491

約数の個数: 48

約数和(自身を含む): 54624024

約数和(自身を除く): 33837894

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 97, 194, 291, 485, 582, 873, 970, 1455, 1746, 2381, 2910, 4365, 4762, 7143, 8730, 11905, 14286, 21429, 23810, 35715, 42858, 71430, 107145, 214290, 230957, 461914, 692871, 1154785, 1385742, 2078613, 2309570, 3464355, 4157226, 6928710, 10393065, 20786130]

約数ペア:

[(1, 20786130), (2, 10393065), (3, 6928710), (5, 4157226), (6, 3464355), (9, 2309570), (10, 2078613), (15, 1385742), (18, 1154785), (30, 692871), (45, 461914), (90, 230957), (97, 214290), (194, 107145), (291, 71430), (485, 42858), (582, 35715), (873, 23810), (970, 21429), (1455, 14286), (1746, 11905), (2381, 8730), (2910, 7143), (4365, 4762)]