20499948

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{81349}}^1$

素因数の和:81366

約数の個数: 36

約数和(自身を含む): 59222800

約数和(自身を除く): 38722852

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 81349, 162698, 244047, 325396, 488094, 569443, 732141, 976188, 1138886, 1464282, 1708329, 2277772, 2928564, 3416658, 5124987, 6833316, 10249974, 20499948]

約数ペア:

[(1, 20499948), (2, 10249974), (3, 6833316), (4, 5124987), (6, 3416658), (7, 2928564), (9, 2277772), (12, 1708329), (14, 1464282), (18, 1138886), (21, 976188), (28, 732141), (36, 569443), (42, 488094), (63, 325396), (84, 244047), (126, 162698), (252, 81349)]