20899316

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{3767}}^1$

素因数の和:3863

約数の個数: 24

約数和(自身を含む): 39036480

約数和(自身を除く): 18137164

約数列:

[1, 2, 4, 19, 38, 73, 76, 146, 292, 1387, 2774, 3767, 5548, 7534, 15068, 71573, 143146, 274991, 286292, 549982, 1099964, 5224829, 10449658, 20899316]

約数ペア:

[(1, 20899316), (2, 10449658), (4, 5224829), (19, 1099964), (38, 549982), (73, 286292), (76, 274991), (146, 143146), (292, 71573), (1387, 15068), (2774, 7534), (3767, 5548)]