20872021250

素因数分解:

$2^1\times 5^4\times {\mathrm{16697617}}^1$

素因数の和:16697639

約数の個数: 20

約数和(自身を含む): 39122518974

約数和(自身を除く): 18250497724

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 16697617, 33395234, 83488085, 166976170, 417440425, 834880850, 2087202125, 4174404250, 10436010625, 20872021250]

約数ペア:

[(1, 20872021250), (2, 10436010625), (5, 4174404250), (10, 2087202125), (25, 834880850), (50, 417440425), (125, 166976170), (250, 83488085), (625, 33395234), (1250, 16697617)]