20189102

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{1297}}^1$

素因数の和:1523

約数の個数: 16

約数和(自身を含む): 31183152

約数和(自身を除く): 10994050

約数列:

[1, 2, 43, 86, 181, 362, 1297, 2594, 7783, 15566, 55771, 111542, 234757, 469514, 10094551, 20189102]

約数ペア:

[(1, 20189102), (2, 10094551), (43, 469514), (86, 234757), (181, 111542), (362, 55771), (1297, 15566), (2594, 7783)]