20952575

素因数分解:

$5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1787}}^1$

素因数の和:1871

約数の個数: 24

約数和(自身を含む): 30152832

約数和(自身を除く): 9200257

約数列:

[1, 5, 7, 25, 35, 67, 175, 335, 469, 1675, 1787, 2345, 8935, 11725, 12509, 44675, 62545, 119729, 312725, 598645, 838103, 2993225, 4190515, 20952575]

約数ペア:

[(1, 20952575), (5, 4190515), (7, 2993225), (25, 838103), (35, 598645), (67, 312725), (175, 119729), (335, 62545), (469, 44675), (1675, 12509), (1787, 11725), (2345, 8935)]