20512090

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{883}}^1$

素因数の和:1014

約数の個数: 32

約数和(自身を含む): 38952576

約数和(自身を除く): 18440486

約数列:

[1, 2, 5, 10, 23, 46, 101, 115, 202, 230, 505, 883, 1010, 1766, 2323, 4415, 4646, 8830, 11615, 20309, 23230, 40618, 89183, 101545, 178366, 203090, 445915, 891830, 2051209, 4102418, 10256045, 20512090]

約数ペア:

[(1, 20512090), (2, 10256045), (5, 4102418), (10, 2051209), (23, 891830), (46, 445915), (101, 203090), (115, 178366), (202, 101545), (230, 89183), (505, 40618), (883, 23230), (1010, 20309), (1766, 11615), (2323, 8830), (4415, 4646)]