20409422

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{25073}}^1$

素因数の和:25123

約数の個数: 16

約数和(自身を含む): 34301232

約数和(自身を除く): 13891810

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 25073, 50146, 275803, 551606, 927701, 1855402, 10204711, 20409422]

約数ペア:

[(1, 20409422), (2, 10204711), (11, 1855402), (22, 927701), (37, 551606), (74, 275803), (407, 50146), (814, 25073)]