20010724

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{1049}}^1$

素因数の和:1323

約数の個数: 24

約数和(自身を含む): 37044000

約数和(自身を除く): 17033276

約数列:

[1, 2, 4, 19, 38, 76, 251, 502, 1004, 1049, 2098, 4196, 4769, 9538, 19076, 19931, 39862, 79724, 263299, 526598, 1053196, 5002681, 10005362, 20010724]

約数ペア:

[(1, 20010724), (2, 10005362), (4, 5002681), (19, 1053196), (38, 526598), (76, 263299), (251, 79724), (502, 39862), (1004, 19931), (1049, 19076), (2098, 9538), (4196, 4769)]