20200820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{1201}}^1$

素因数の和:1268

約数の個数: 36

約数和(自身を含む): 43971564

約数和(自身を除く): 23770744

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 841, 1201, 1682, 2402, 3364, 4205, 4804, 6005, 8410, 12010, 16820, 24020, 34829, 69658, 139316, 174145, 348290, 696580, 1010041, 2020082, 4040164, 5050205, 10100410, 20200820]

約数ペア:

[(1, 20200820), (2, 10100410), (4, 5050205), (5, 4040164), (10, 2020082), (20, 1010041), (29, 696580), (58, 348290), (116, 174145), (145, 139316), (290, 69658), (580, 34829), (841, 24020), (1201, 16820), (1682, 12010), (2402, 8410), (3364, 6005), (4205, 4804)]