20589520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{36767}}^1$

素因数の和:36787

約数の個数: 40

約数和(自身を含む): 54710784

約数和(自身を除く): 34121264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 36767, 73534, 147068, 183835, 257369, 294136, 367670, 514738, 588272, 735340, 1029476, 1286845, 1470680, 2058952, 2573690, 2941360, 4117904, 5147380, 10294760, 20589520]

約数ペア:

[(1, 20589520), (2, 10294760), (4, 5147380), (5, 4117904), (7, 2941360), (8, 2573690), (10, 2058952), (14, 1470680), (16, 1286845), (20, 1029476), (28, 735340), (35, 588272), (40, 514738), (56, 367670), (70, 294136), (80, 257369), (112, 183835), (140, 147068), (280, 73534), (560, 36767)]