20100409

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{3187}}^1$

素因数の和:3264

約数の個数: 16

約数和(自身を含む): 24789888

約数和(自身を除く): 4689479

約数列:

[1, 7, 17, 53, 119, 371, 901, 3187, 6307, 22309, 54179, 168911, 379253, 1182377, 2871487, 20100409]

約数ペア:

[(1, 20100409), (7, 2871487), (17, 1182377), (53, 379253), (119, 168911), (371, 54179), (901, 22309), (3187, 6307)]