20605760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9199}}^1$

素因数の和:9223

約数の個数: 56

約数和(自身を含む): 56083200

約数和(自身を除く): 35477440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 9199, 18398, 36796, 45995, 64393, 73592, 91990, 128786, 147184, 183980, 257572, 294368, 321965, 367960, 515144, 588736, 643930, 735920, 1030288, 1287860, 1471840, 2060576, 2575720, 2943680, 4121152, 5151440, 10302880, 20605760]

約数ペア:

[(1, 20605760), (2, 10302880), (4, 5151440), (5, 4121152), (7, 2943680), (8, 2575720), (10, 2060576), (14, 1471840), (16, 1287860), (20, 1030288), (28, 735920), (32, 643930), (35, 588736), (40, 515144), (56, 367960), (64, 321965), (70, 294368), (80, 257572), (112, 183980), (140, 147184), (160, 128786), (224, 91990), (280, 73592), (320, 64393), (448, 45995), (560, 36796), (1120, 18398), (2240, 9199)]