20070004

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1459}}^1$

素因数の和:1663

約数の個数: 24

約数和(自身を含む): 37200800

約数和(自身を除く): 17130796

約数列:

[1, 2, 4, 19, 38, 76, 181, 362, 724, 1459, 2918, 3439, 5836, 6878, 13756, 27721, 55442, 110884, 264079, 528158, 1056316, 5017501, 10035002, 20070004]

約数ペア:

[(1, 20070004), (2, 10035002), (4, 5017501), (19, 1056316), (38, 528158), (76, 264079), (181, 110884), (362, 55442), (724, 27721), (1459, 13756), (2918, 6878), (3439, 5836)]