20606670

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{10903}}^1$

素因数の和:10926

約数の個数: 64

約数和(自身を含む): 62807040

約数和(自身を除く): 42200370

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 10903, 21806, 32709, 54515, 65418, 76321, 98127, 109030, 152642, 163545, 196254, 228963, 294381, 327090, 381605, 457926, 490635, 588762, 686889, 763210, 981270, 1144815, 1373778, 1471905, 2060667, 2289630, 2943810, 3434445, 4121334, 6868890, 10303335, 20606670]

約数ペア:

[(1, 20606670), (2, 10303335), (3, 6868890), (5, 4121334), (6, 3434445), (7, 2943810), (9, 2289630), (10, 2060667), (14, 1471905), (15, 1373778), (18, 1144815), (21, 981270), (27, 763210), (30, 686889), (35, 588762), (42, 490635), (45, 457926), (54, 381605), (63, 327090), (70, 294381), (90, 228963), (105, 196254), (126, 163545), (135, 152642), (189, 109030), (210, 98127), (270, 76321), (315, 65418), (378, 54515), (630, 32709), (945, 21806), (1890, 10903)]