20199291021

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3523337}}^1$

素因数の和:3523370

約数の個数: 36

約数和(自身を含む): 36551108412

約数和(自身を除く): 16351817391

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 637, 819, 1911, 5733, 3523337, 10570011, 24663359, 31710033, 45803381, 73990077, 137410143, 172643513, 221970231, 320623667, 412230429, 517930539, 961871001, 1553791617, 2244365669, 2885613003, 6733097007, 20199291021]

約数ペア:

[(1, 20199291021), (3, 6733097007), (7, 2885613003), (9, 2244365669), (13, 1553791617), (21, 961871001), (39, 517930539), (49, 412230429), (63, 320623667), (91, 221970231), (117, 172643513), (147, 137410143), (273, 73990077), (441, 45803381), (637, 31710033), (819, 24663359), (1911, 10570011), (5733, 3523337)]