20213882575

素因数分解:

$5^2\times {\mathrm{7477}}^1\times {\mathrm{108139}}^1$

素因数の和:115626

約数の個数: 12

約数和(自身を含む): 25068798520

約数和(自身を除く): 4854915945

約数列:

[1, 5, 25, 7477, 37385, 108139, 186925, 540695, 2703475, 808555303, 4042776515, 20213882575]

約数ペア:

[(1, 20213882575), (5, 4042776515), (25, 808555303), (7477, 2703475), (37385, 540695), (108139, 186925)]