20414086

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{653}}^1$

素因数の和:709

約数の個数: 48

約数和(自身を含む): 40260240

約数和(自身を除く): 19846154

約数列:

[1, 2, 7, 11, 14, 22, 29, 49, 58, 77, 98, 154, 203, 319, 406, 539, 638, 653, 1078, 1306, 1421, 2233, 2842, 4466, 4571, 7183, 9142, 14366, 15631, 18937, 31262, 31997, 37874, 50281, 63994, 100562, 132559, 208307, 265118, 351967, 416614, 703934, 927913, 1458149, 1855826, 2916298, 10207043, 20414086]

約数ペア:

[(1, 20414086), (2, 10207043), (7, 2916298), (11, 1855826), (14, 1458149), (22, 927913), (29, 703934), (49, 416614), (58, 351967), (77, 265118), (98, 208307), (154, 132559), (203, 100562), (319, 63994), (406, 50281), (539, 37874), (638, 31997), (653, 31262), (1078, 18937), (1306, 15631), (1421, 14366), (2233, 9142), (2842, 7183), (4466, 4571)]