19940804860

素因数分解:

$2^2\times 5^1\times {\mathrm{1627}}^1\times {\mathrm{612809}}^1$

素因数の和:614445

約数の個数: 24

約数和(自身を含む): 41901496560

約数和(自身を除く): 21960691700

約数列:

[1, 2, 4, 5, 10, 20, 1627, 3254, 6508, 8135, 16270, 32540, 612809, 1225618, 2451236, 3064045, 6128090, 12256180, 997040243, 1994080486, 3988160972, 4985201215, 9970402430, 19940804860]

約数ペア:

[(1, 19940804860), (2, 9970402430), (4, 4985201215), (5, 3988160972), (10, 1994080486), (20, 997040243), (1627, 12256180), (3254, 6128090), (6508, 3064045), (8135, 2451236), (16270, 1225618), (32540, 612809)]