20157303620

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{617}}^1\times {\mathrm{6211}}^1$

素因数の和:7100

約数の個数: 48

約数和(自身を含む): 42567009408

約数和(自身を除く): 22409705788

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 617, 1052, 1234, 1315, 2468, 2630, 3085, 5260, 6170, 6211, 12340, 12422, 24844, 31055, 62110, 124220, 162271, 324542, 649084, 811355, 1622710, 1633493, 3245420, 3266986, 3832187, 6533972, 7664374, 8167465, 15328748, 16334930, 19160935, 32669860, 38321870, 76643740, 1007865181, 2015730362, 4031460724, 5039325905, 10078651810, 20157303620]

約数ペア:

[(1, 20157303620), (2, 10078651810), (4, 5039325905), (5, 4031460724), (10, 2015730362), (20, 1007865181), (263, 76643740), (526, 38321870), (617, 32669860), (1052, 19160935), (1234, 16334930), (1315, 15328748), (2468, 8167465), (2630, 7664374), (3085, 6533972), (5260, 3832187), (6170, 3266986), (6211, 3245420), (12340, 1633493), (12422, 1622710), (24844, 811355), (31055, 649084), (62110, 324542), (124220, 162271)]