20528838

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{103681}}^1$

素因数の和:103700

約数の個数: 24

約数和(自身を含む): 48523176

約数和(自身を除く): 27994338

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 103681, 207362, 311043, 622086, 933129, 1140491, 1866258, 2280982, 3421473, 6842946, 10264419, 20528838]

約数ペア:

[(1, 20528838), (2, 10264419), (3, 6842946), (6, 3421473), (9, 2280982), (11, 1866258), (18, 1140491), (22, 933129), (33, 622086), (66, 311043), (99, 207362), (198, 103681)]