20135516

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{863}}^1$

素因数の和:1193

約数の個数: 24

約数和(自身を含む): 37255680

約数和(自身を除く): 17120164

約数列:

[1, 2, 4, 19, 38, 76, 307, 614, 863, 1228, 1726, 3452, 5833, 11666, 16397, 23332, 32794, 65588, 264941, 529882, 1059764, 5033879, 10067758, 20135516]

約数ペア:

[(1, 20135516), (2, 10067758), (4, 5033879), (19, 1059764), (38, 529882), (76, 264941), (307, 65588), (614, 32794), (863, 23332), (1228, 16397), (1726, 11666), (3452, 5833)]