20765770

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:414

約数の個数: 32

約数和(自身を含む): 38320128

約数和(自身を除く): 17554358

約数列:

[1, 2, 5, 10, 83, 127, 166, 197, 254, 394, 415, 635, 830, 985, 1270, 1970, 10541, 16351, 21082, 25019, 32702, 50038, 52705, 81755, 105410, 125095, 163510, 250190, 2076577, 4153154, 10382885, 20765770]

約数ペア:

[(1, 20765770), (2, 10382885), (5, 4153154), (10, 2076577), (83, 250190), (127, 163510), (166, 125095), (197, 105410), (254, 81755), (394, 52705), (415, 50038), (635, 32702), (830, 25019), (985, 21082), (1270, 16351), (1970, 10541)]