20213333

素因数分解:

$7^3\times {\mathrm{31}}^1\times {\mathrm{1901}}^1$

素因数の和:1953

約数の個数: 16

約数和(自身を含む): 24345600

約数和(自身を除く): 4132267

約数列:

[1, 7, 31, 49, 217, 343, 1519, 1901, 10633, 13307, 58931, 93149, 412517, 652043, 2887619, 20213333]

約数ペア:

[(1, 20213333), (7, 2887619), (31, 652043), (49, 412517), (217, 93149), (343, 58931), (1519, 13307), (1901, 10633)]