20867004

素因数分解:

$2^2\times 3^3\times {\mathrm{101}}^1\times {\mathrm{1913}}^1$

素因数の和:2027

約数の個数: 48

約数和(自身を含む): 54663840

約数和(自身を除く): 33796836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 101, 108, 202, 303, 404, 606, 909, 1212, 1818, 1913, 2727, 3636, 3826, 5454, 5739, 7652, 10908, 11478, 17217, 22956, 34434, 51651, 68868, 103302, 193213, 206604, 386426, 579639, 772852, 1159278, 1738917, 2318556, 3477834, 5216751, 6955668, 10433502, 20867004]

約数ペア:

[(1, 20867004), (2, 10433502), (3, 6955668), (4, 5216751), (6, 3477834), (9, 2318556), (12, 1738917), (18, 1159278), (27, 772852), (36, 579639), (54, 386426), (101, 206604), (108, 193213), (202, 103302), (303, 68868), (404, 51651), (606, 34434), (909, 22956), (1212, 17217), (1818, 11478), (1913, 10908), (2727, 7652), (3636, 5739), (3826, 5454)]