20957022

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{617}}^1$

素因数の和:682

約数の個数: 64

約数和(自身を含む): 50725440

約数和(自身を除く): 29768418

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 37, 51, 54, 74, 102, 111, 153, 222, 306, 333, 459, 617, 629, 666, 918, 999, 1234, 1258, 1851, 1887, 1998, 3702, 3774, 5553, 5661, 10489, 11106, 11322, 16659, 16983, 20978, 22829, 31467, 33318, 33966, 45658, 62934, 68487, 94401, 136974, 188802, 205461, 283203, 388093, 410922, 566406, 616383, 776186, 1164279, 1232766, 2328558, 3492837, 6985674, 10478511, 20957022]

約数ペア:

[(1, 20957022), (2, 10478511), (3, 6985674), (6, 3492837), (9, 2328558), (17, 1232766), (18, 1164279), (27, 776186), (34, 616383), (37, 566406), (51, 410922), (54, 388093), (74, 283203), (102, 205461), (111, 188802), (153, 136974), (222, 94401), (306, 68487), (333, 62934), (459, 45658), (617, 33966), (629, 33318), (666, 31467), (918, 22829), (999, 20978), (1234, 16983), (1258, 16659), (1851, 11322), (1887, 11106), (1998, 10489), (3702, 5661), (3774, 5553)]