20822636

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{947}}^1$

素因数の和:1213

約数の個数: 24

約数和(自身を含む): 38223360

約数和(自身を除く): 17400724

約数列:

[1, 2, 4, 23, 46, 92, 239, 478, 947, 956, 1894, 3788, 5497, 10994, 21781, 21988, 43562, 87124, 226333, 452666, 905332, 5205659, 10411318, 20822636]

約数ペア:

[(1, 20822636), (2, 10411318), (4, 5205659), (23, 905332), (46, 452666), (92, 226333), (239, 87124), (478, 43562), (947, 21988), (956, 21781), (1894, 10994), (3788, 5497)]