20575030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 44416512

約数和(自身を除く): 23841482

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 67, 70, 82, 107, 134, 205, 214, 287, 335, 410, 469, 535, 574, 670, 749, 938, 1070, 1435, 1498, 2345, 2747, 2870, 3745, 4387, 4690, 5494, 7169, 7490, 8774, 13735, 14338, 19229, 21935, 27470, 30709, 35845, 38458, 43870, 50183, 61418, 71690, 96145, 100366, 153545, 192290, 250915, 293929, 307090, 501830, 587858, 1469645, 2057503, 2939290, 4115006, 10287515, 20575030]

約数ペア:

[(1, 20575030), (2, 10287515), (5, 4115006), (7, 2939290), (10, 2057503), (14, 1469645), (35, 587858), (41, 501830), (67, 307090), (70, 293929), (82, 250915), (107, 192290), (134, 153545), (205, 100366), (214, 96145), (287, 71690), (335, 61418), (410, 50183), (469, 43870), (535, 38458), (574, 35845), (670, 30709), (749, 27470), (938, 21935), (1070, 19229), (1435, 14338), (1498, 13735), (2345, 8774), (2747, 7490), (2870, 7169), (3745, 5494), (4387, 4690)]