20521474

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{523}}^1\times {\mathrm{853}}^1$

素因数の和:1401

約数の個数: 16

約数和(自身を含む): 32219712

約数和(自身を除く): 11698238

約数列:

[1, 2, 23, 46, 523, 853, 1046, 1706, 12029, 19619, 24058, 39238, 446119, 892238, 10260737, 20521474]

約数ペア:

[(1, 20521474), (2, 10260737), (23, 892238), (46, 446119), (523, 39238), (853, 24058), (1046, 19619), (1706, 12029)]