20123261728

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{7960151}}^1$

素因数の和:7960240

約数の個数: 24

約数和(自身を含む): 40119166080

約数和(自身を除く): 19995904352

約数列:

[1, 2, 4, 8, 16, 32, 79, 158, 316, 632, 1264, 2528, 7960151, 15920302, 31840604, 63681208, 127362416, 254724832, 628851929, 1257703858, 2515407716, 5030815432, 10061630864, 20123261728]

約数ペア:

[(1, 20123261728), (2, 10061630864), (4, 5030815432), (8, 2515407716), (16, 1257703858), (32, 628851929), (79, 254724832), (158, 127362416), (316, 63681208), (632, 31840604), (1264, 15920302), (2528, 7960151)]