20659060

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{463}}^1$

素因数の和:592

約数の個数: 48

約数和(自身を含む): 45835776

約数和(自身を除く): 25176716

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 97, 115, 194, 230, 388, 460, 463, 485, 926, 970, 1852, 1940, 2231, 2315, 4462, 4630, 8924, 9260, 10649, 11155, 21298, 22310, 42596, 44620, 44911, 53245, 89822, 106490, 179644, 212980, 224555, 449110, 898220, 1032953, 2065906, 4131812, 5164765, 10329530, 20659060]

約数ペア:

[(1, 20659060), (2, 10329530), (4, 5164765), (5, 4131812), (10, 2065906), (20, 1032953), (23, 898220), (46, 449110), (92, 224555), (97, 212980), (115, 179644), (194, 106490), (230, 89822), (388, 53245), (460, 44911), (463, 44620), (485, 42596), (926, 22310), (970, 21298), (1852, 11155), (1940, 10649), (2231, 9260), (2315, 8924), (4462, 4630)]