20237907

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 10174893

約数列:

[1, 3, 19, 23, 43, 57, 69, 129, 359, 437, 817, 989, 1077, 1311, 2451, 2967, 6821, 8257, 15437, 18791, 20463, 24771, 46311, 56373, 156883, 293303, 355051, 470649, 879909, 1065153, 6745969, 20237907]

約数ペア:

[(1, 20237907), (3, 6745969), (19, 1065153), (23, 879909), (43, 470649), (57, 355051), (69, 293303), (129, 156883), (359, 56373), (437, 46311), (817, 24771), (989, 20463), (1077, 18791), (1311, 15437), (2451, 8257), (2967, 6821)]