20645422

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{20201}}^1$

素因数の和:20283

約数の個数: 16

約数和(自身を含む): 35878752

約数和(自身を除く): 15233330

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 20201, 40402, 141407, 282814, 1474673, 2949346, 10322711, 20645422]

約数ペア:

[(1, 20645422), (2, 10322711), (7, 2949346), (14, 1474673), (73, 282814), (146, 141407), (511, 40402), (1022, 20201)]