20052370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2113}}^1$

素因数の和:2206

約数の個数: 32

約数和(自身を含む): 39421872

約数和(自身を除く): 19369502

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 365, 730, 949, 1898, 2113, 4226, 4745, 9490, 10565, 21130, 27469, 54938, 137345, 154249, 274690, 308498, 771245, 1542490, 2005237, 4010474, 10026185, 20052370]

約数ペア:

[(1, 20052370), (2, 10026185), (5, 4010474), (10, 2005237), (13, 1542490), (26, 771245), (65, 308498), (73, 274690), (130, 154249), (146, 137345), (365, 54938), (730, 27469), (949, 21130), (1898, 10565), (2113, 9490), (4226, 4745)]