20129876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{16831}}^1$

素因数の和:16871

約数の個数: 24

約数和(自身を含む): 39588864

約数和(自身を除く): 19458988

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 598, 1196, 16831, 33662, 67324, 218803, 387113, 437606, 774226, 875212, 1548452, 5032469, 10064938, 20129876]

約数ペア:

[(1, 20129876), (2, 10064938), (4, 5032469), (13, 1548452), (23, 875212), (26, 774226), (46, 437606), (52, 387113), (92, 218803), (299, 67324), (598, 33662), (1196, 16831)]