20050818

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{499}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 41496000

約数和(自身を除く): 21445182

約数列:

[1, 2, 3, 6, 37, 74, 111, 181, 222, 362, 499, 543, 998, 1086, 1497, 2994, 6697, 13394, 18463, 20091, 36926, 40182, 55389, 90319, 110778, 180638, 270957, 541914, 3341803, 6683606, 10025409, 20050818]

約数ペア:

[(1, 20050818), (2, 10025409), (3, 6683606), (6, 3341803), (37, 541914), (74, 270957), (111, 180638), (181, 110778), (222, 90319), (362, 55389), (499, 40182), (543, 36926), (998, 20091), (1086, 18463), (1497, 13394), (2994, 6697)]