20341916780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1272961}}^1$

素因数の和:1273034

約数の個数: 48

約数和(自身を含む): 46193245056

約数和(自身を除く): 25851328276

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 1598, 3196, 3995, 7990, 15980, 1272961, 2545922, 5091844, 6364805, 12729610, 21640337, 25459220, 43280674, 59829167, 86561348, 108201685, 119658334, 216403370, 239316668, 299145835, 432806740, 598291670, 1017095839, 1196583340, 2034191678, 4068383356, 5085479195, 10170958390, 20341916780]

約数ペア:

[(1, 20341916780), (2, 10170958390), (4, 5085479195), (5, 4068383356), (10, 2034191678), (17, 1196583340), (20, 1017095839), (34, 598291670), (47, 432806740), (68, 299145835), (85, 239316668), (94, 216403370), (170, 119658334), (188, 108201685), (235, 86561348), (340, 59829167), (470, 43280674), (799, 25459220), (940, 21640337), (1598, 12729610), (3196, 6364805), (3995, 5091844), (7990, 2545922), (15980, 1272961)]