20180258721

素因数分解:

$3^2\times 7^1\times {\mathrm{769}}^1\times {\mathrm{416543}}^1$

素因数の和:417325

約数の個数: 24

約数和(自身を含む): 33356843520

約数和(自身を除く): 13176584799

約数列:

[1, 3, 7, 9, 21, 63, 769, 2307, 5383, 6921, 16149, 48447, 416543, 1249629, 2915801, 3748887, 8747403, 26242209, 320321567, 960964701, 2242250969, 2882894103, 6726752907, 20180258721]

約数ペア:

[(1, 20180258721), (3, 6726752907), (7, 2882894103), (9, 2242250969), (21, 960964701), (63, 320321567), (769, 26242209), (2307, 8747403), (5383, 3748887), (6921, 2915801), (16149, 1249629), (48447, 416543)]