20442898

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{10979}}^1$

素因数の和:11014

約数の個数: 24

約数和(自身を含む): 37551600

約数和(自身を除く): 17108702

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862, 10979, 21958, 76853, 153706, 208601, 417202, 537971, 1075942, 1460207, 2920414, 10221449, 20442898]

約数ペア:

[(1, 20442898), (2, 10221449), (7, 2920414), (14, 1460207), (19, 1075942), (38, 537971), (49, 417202), (98, 208601), (133, 153706), (266, 76853), (931, 21958), (1862, 10979)]