20199234938

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{31721}}^1$

素因数の和:31982

約数の個数: 32

約数和(自身を含む): 32158494720

約数和(自身を除く): 11959259782

約数列:

[1, 2, 23, 46, 109, 127, 218, 254, 2507, 2921, 5014, 5842, 13843, 27686, 31721, 63442, 318389, 636778, 729583, 1459166, 3457589, 4028567, 6915178, 8057134, 79524547, 92657041, 159049094, 185314082, 439113803, 878227606, 10099617469, 20199234938]

約数ペア:

[(1, 20199234938), (2, 10099617469), (23, 878227606), (46, 439113803), (109, 185314082), (127, 159049094), (218, 92657041), (254, 79524547), (2507, 8057134), (2921, 6915178), (5014, 4028567), (5842, 3457589), (13843, 1459166), (27686, 729583), (31721, 636778), (63442, 318389)]