20703726

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1163}}^1$

素因数の和:1237

約数の個数: 48

約数和(自身を含む): 47938176

約数和(自身を除く): 27234450

約数列:

[1, 2, 3, 6, 9, 18, 23, 43, 46, 69, 86, 129, 138, 207, 258, 387, 414, 774, 989, 1163, 1978, 2326, 2967, 3489, 5934, 6978, 8901, 10467, 17802, 20934, 26749, 50009, 53498, 80247, 100018, 150027, 160494, 240741, 300054, 450081, 481482, 900162, 1150207, 2300414, 3450621, 6901242, 10351863, 20703726]

約数ペア:

[(1, 20703726), (2, 10351863), (3, 6901242), (6, 3450621), (9, 2300414), (18, 1150207), (23, 900162), (43, 481482), (46, 450081), (69, 300054), (86, 240741), (129, 160494), (138, 150027), (207, 100018), (258, 80247), (387, 53498), (414, 50009), (774, 26749), (989, 20934), (1163, 17802), (1978, 10467), (2326, 8901), (2967, 6978), (3489, 5934)]