19800700

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{8609}}^1$

素因数の和:8646

約数の個数: 36

約数和(自身を含む): 44840880

約数和(自身を除く): 25040180

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 230, 460, 575, 1150, 2300, 8609, 17218, 34436, 43045, 86090, 172180, 198007, 215225, 396014, 430450, 792028, 860900, 990035, 1980070, 3960140, 4950175, 9900350, 19800700]

約数ペア:

[(1, 19800700), (2, 9900350), (4, 4950175), (5, 3960140), (10, 1980070), (20, 990035), (23, 860900), (25, 792028), (46, 430450), (50, 396014), (92, 215225), (100, 198007), (115, 172180), (230, 86090), (460, 43045), (575, 34436), (1150, 17218), (2300, 8609)]