20487338

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1\times {\mathrm{547}}^1$

素因数の和:917

約数の個数: 16

約数和(自身を含む): 31393824

約数和(自身を除く): 10906486

約数列:

[1, 2, 61, 122, 307, 547, 614, 1094, 18727, 33367, 37454, 66734, 167929, 335858, 10243669, 20487338]

約数ペア:

[(1, 20487338), (2, 10243669), (61, 335858), (122, 167929), (307, 66734), (547, 37454), (614, 33367), (1094, 18727)]