20354175

素因数分解:

$3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1483}}^1$

素因数の和:1560

約数の個数: 36

約数和(自身を含む): 37079224

約数和(自身を除く): 16725049

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 75, 183, 225, 305, 549, 915, 1483, 1525, 2745, 4449, 4575, 7415, 13347, 13725, 22245, 37075, 66735, 90463, 111225, 271389, 333675, 452315, 814167, 1356945, 2261575, 4070835, 6784725, 20354175]

約数ペア:

[(1, 20354175), (3, 6784725), (5, 4070835), (9, 2261575), (15, 1356945), (25, 814167), (45, 452315), (61, 333675), (75, 271389), (183, 111225), (225, 90463), (305, 66735), (549, 37075), (915, 22245), (1483, 13725), (1525, 13347), (2745, 7415), (4449, 4575)]