20124737620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{723391}}^1$

素因数の和:723520

約数の個数: 48

約数和(自身を含む): 45938285568

約数和(自身を除く): 25813547948

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 214, 260, 428, 535, 1070, 1391, 2140, 2782, 5564, 6955, 13910, 27820, 723391, 1446782, 2893564, 3616955, 7233910, 9404083, 14467820, 18808166, 37616332, 47020415, 77402837, 94040830, 154805674, 188081660, 309611348, 387014185, 774028370, 1006236881, 1548056740, 2012473762, 4024947524, 5031184405, 10062368810, 20124737620]

約数ペア:

[(1, 20124737620), (2, 10062368810), (4, 5031184405), (5, 4024947524), (10, 2012473762), (13, 1548056740), (20, 1006236881), (26, 774028370), (52, 387014185), (65, 309611348), (107, 188081660), (130, 154805674), (214, 94040830), (260, 77402837), (428, 47020415), (535, 37616332), (1070, 18808166), (1391, 14467820), (2140, 9404083), (2782, 7233910), (5564, 3616955), (6955, 2893564), (13910, 1446782), (27820, 723391)]