20154190

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41131}}^1$

素因数の和:41152

約数の個数: 24

約数和(自身を含む): 42201432

約数和(自身を除く): 22047242

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 41131, 82262, 205655, 287917, 411310, 575834, 1439585, 2015419, 2879170, 4030838, 10077095, 20154190]

約数ペア:

[(1, 20154190), (2, 10077095), (5, 4030838), (7, 2879170), (10, 2015419), (14, 1439585), (35, 575834), (49, 411310), (70, 287917), (98, 205655), (245, 82262), (490, 41131)]