20745606

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{25997}}^1$

素因数の和:26028

約数の個数: 32

約数和(自身を含む): 49916160

約数和(自身を除く): 29170554

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 25997, 51994, 77991, 155982, 181979, 363958, 493943, 545937, 987886, 1091874, 1481829, 2963658, 3457601, 6915202, 10372803, 20745606]

約数ペア:

[(1, 20745606), (2, 10372803), (3, 6915202), (6, 3457601), (7, 2963658), (14, 1481829), (19, 1091874), (21, 987886), (38, 545937), (42, 493943), (57, 363958), (114, 181979), (133, 155982), (266, 77991), (399, 51994), (798, 25997)]