20985056

素因数分解:

$2^5\times {\mathrm{83}}^1\times {\mathrm{7901}}^1$

素因数の和:7994

約数の個数: 24

約数和(自身を含む): 41817384

約数和(自身を除く): 20832328

約数列:

[1, 2, 4, 8, 16, 32, 83, 166, 332, 664, 1328, 2656, 7901, 15802, 31604, 63208, 126416, 252832, 655783, 1311566, 2623132, 5246264, 10492528, 20985056]

約数ペア:

[(1, 20985056), (2, 10492528), (4, 5246264), (8, 2623132), (16, 1311566), (32, 655783), (83, 252832), (166, 126416), (332, 63208), (664, 31604), (1328, 15802), (2656, 7901)]