20652075

素因数分解:

$3^2\times 5^2\times {\mathrm{263}}^1\times {\mathrm{349}}^1$

素因数の和:628

約数の個数: 36

約数和(自身を含む): 37237200

約数和(自身を除く): 16585125

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 263, 349, 789, 1047, 1315, 1745, 2367, 3141, 3945, 5235, 6575, 8725, 11835, 15705, 19725, 26175, 59175, 78525, 91787, 275361, 458935, 826083, 1376805, 2294675, 4130415, 6884025, 20652075]

約数ペア:

[(1, 20652075), (3, 6884025), (5, 4130415), (9, 2294675), (15, 1376805), (25, 826083), (45, 458935), (75, 275361), (225, 91787), (263, 78525), (349, 59175), (789, 26175), (1047, 19725), (1315, 15705), (1745, 11835), (2367, 8725), (3141, 6575), (3945, 5235)]