20826848

素因数分解:

$2^5\times 7^1\times {\mathrm{109}}^1\times {\mathrm{853}}^1$

素因数の和:979

約数の個数: 48

約数和(自身を含む): 47345760

約数和(自身を除く): 26518912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 109, 112, 218, 224, 436, 763, 853, 872, 1526, 1706, 1744, 3052, 3412, 3488, 5971, 6104, 6824, 11942, 12208, 13648, 23884, 24416, 27296, 47768, 92977, 95536, 185954, 191072, 371908, 650839, 743816, 1301678, 1487632, 2603356, 2975264, 5206712, 10413424, 20826848]

約数ペア:

[(1, 20826848), (2, 10413424), (4, 5206712), (7, 2975264), (8, 2603356), (14, 1487632), (16, 1301678), (28, 743816), (32, 650839), (56, 371908), (109, 191072), (112, 185954), (218, 95536), (224, 92977), (436, 47768), (763, 27296), (853, 24416), (872, 23884), (1526, 13648), (1706, 12208), (1744, 11942), (3052, 6824), (3412, 6104), (3488, 5971)]