20115405958

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{1559}}^1\times {\mathrm{1907}}^1$

素因数の和:3684

約数の個数: 32

約数和(自身を含む): 32145984000

約数和(自身を除く): 12030578042

約数列:

[1, 2, 17, 34, 199, 398, 1559, 1907, 3118, 3383, 3814, 6766, 26503, 32419, 53006, 64838, 310241, 379493, 620482, 758986, 2973013, 5274097, 5946026, 6451381, 10548194, 12902762, 50541221, 101082442, 591629587, 1183259174, 10057702979, 20115405958]

約数ペア:

[(1, 20115405958), (2, 10057702979), (17, 1183259174), (34, 591629587), (199, 101082442), (398, 50541221), (1559, 12902762), (1907, 10548194), (3118, 6451381), (3383, 5946026), (3814, 5274097), (6766, 2973013), (26503, 758986), (32419, 620482), (53006, 379493), (64838, 310241)]