20199897975

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{71233}}^1$

素因数の和:71464

約数の個数: 48

約数和(自身を含む): 35332064000

約数和(自身を除く): 15132166025

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 199, 285, 475, 597, 995, 1425, 2985, 3781, 4975, 11343, 14925, 18905, 56715, 71233, 94525, 213699, 283575, 356165, 1068495, 1353427, 1780825, 4060281, 5342475, 6767135, 14175367, 20301405, 33835675, 42526101, 70876835, 101507025, 212630505, 269331973, 354384175, 807995919, 1063152525, 1346659865, 4039979595, 6733299325, 20199897975]

約数ペア:

[(1, 20199897975), (3, 6733299325), (5, 4039979595), (15, 1346659865), (19, 1063152525), (25, 807995919), (57, 354384175), (75, 269331973), (95, 212630505), (199, 101507025), (285, 70876835), (475, 42526101), (597, 33835675), (995, 20301405), (1425, 14175367), (2985, 6767135), (3781, 5342475), (4975, 4060281), (11343, 1780825), (14925, 1353427), (18905, 1068495), (56715, 356165), (71233, 283575), (94525, 213699)]