20516161

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{383}}^1$

素因数の和:560

約数の個数: 16

約数和(自身を含む): 22892544

約数和(自身を除く): 2376383

約数列:

[1, 17, 23, 137, 383, 391, 2329, 3151, 6511, 8809, 52471, 53567, 149753, 892007, 1206833, 20516161]

約数ペア:

[(1, 20516161), (17, 1206833), (23, 892007), (137, 149753), (383, 53567), (391, 52471), (2329, 8809), (3151, 6511)]