20041553840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3253499}}^1$

素因数の和:3253530

約数の個数: 80

約数和(自身を含む): 58094496000

約数和(自身を除く): 38052942160

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 3253499, 6506998, 13013996, 16267495, 22774493, 26027992, 32534990, 35788489, 45548986, 52055984, 65069980, 71576978, 91097972, 113872465, 130139960, 143153956, 178942445, 182195944, 227744930, 250519423, 260279920, 286307912, 357884890, 364391888, 455489860, 501038846, 572615824, 715769780, 910979720, 1002077692, 1252597115, 1431539560, 1821959440, 2004155384, 2505194230, 2863079120, 4008310768, 5010388460, 10020776920, 20041553840]

約数ペア:

[(1, 20041553840), (2, 10020776920), (4, 5010388460), (5, 4008310768), (7, 2863079120), (8, 2505194230), (10, 2004155384), (11, 1821959440), (14, 1431539560), (16, 1252597115), (20, 1002077692), (22, 910979720), (28, 715769780), (35, 572615824), (40, 501038846), (44, 455489860), (55, 364391888), (56, 357884890), (70, 286307912), (77, 260279920), (80, 250519423), (88, 227744930), (110, 182195944), (112, 178942445), (140, 143153956), (154, 130139960), (176, 113872465), (220, 91097972), (280, 71576978), (308, 65069980), (385, 52055984), (440, 45548986), (560, 35788489), (616, 32534990), (770, 26027992), (880, 22774493), (1232, 16267495), (1540, 13013996), (3080, 6506998), (6160, 3253499)]