20168865590

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{977}}^1\times {\mathrm{28279}}^1$

素因数の和:29336

約数の個数: 32

約数和(自身を含む): 36840242880

約数和(自身を除く): 16671377290

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 977, 1954, 4885, 9770, 28279, 56558, 71321, 141395, 142642, 282790, 356605, 713210, 2064367, 4128734, 10321835, 20643670, 27628583, 55257166, 138142915, 276285830, 2016886559, 4033773118, 10084432795, 20168865590]

約数ペア:

[(1, 20168865590), (2, 10084432795), (5, 4033773118), (10, 2016886559), (73, 276285830), (146, 138142915), (365, 55257166), (730, 27628583), (977, 20643670), (1954, 10321835), (4885, 4128734), (9770, 2064367), (28279, 713210), (56558, 356605), (71321, 282790), (141395, 142642)]