20408868

素因数分解:

$2^2\times 3^3\times {\mathrm{101}}^1\times {\mathrm{1871}}^1$

素因数の和:1985

約数の個数: 48

約数和(自身を含む): 53464320

約数和(自身を除く): 33055452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 101, 108, 202, 303, 404, 606, 909, 1212, 1818, 1871, 2727, 3636, 3742, 5454, 5613, 7484, 10908, 11226, 16839, 22452, 33678, 50517, 67356, 101034, 188971, 202068, 377942, 566913, 755884, 1133826, 1700739, 2267652, 3401478, 5102217, 6802956, 10204434, 20408868]

約数ペア:

[(1, 20408868), (2, 10204434), (3, 6802956), (4, 5102217), (6, 3401478), (9, 2267652), (12, 1700739), (18, 1133826), (27, 755884), (36, 566913), (54, 377942), (101, 202068), (108, 188971), (202, 101034), (303, 67356), (404, 50517), (606, 33678), (909, 22452), (1212, 16839), (1818, 11226), (1871, 10908), (2727, 7484), (3636, 5613), (3742, 5454)]