20765368

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{15359}}^1$

素因数の和:15391

約数の個数: 24

約数和(自身を含む): 42163200

約数和(自身を除く): 21397832

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 15359, 30718, 61436, 122872, 199667, 399334, 798668, 1597336, 2595671, 5191342, 10382684, 20765368]

約数ペア:

[(1, 20765368), (2, 10382684), (4, 5191342), (8, 2595671), (13, 1597336), (26, 798668), (52, 399334), (104, 199667), (169, 122872), (338, 61436), (676, 30718), (1352, 15359)]