20129418

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{8669}}^1$

素因数の和:8723

約数の個数: 32

約数和(自身を含む): 45777600

約数和(自身を除く): 25648182

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 86, 129, 258, 387, 774, 1161, 2322, 8669, 17338, 26007, 52014, 78021, 156042, 234063, 372767, 468126, 745534, 1118301, 2236602, 3354903, 6709806, 10064709, 20129418]

約数ペア:

[(1, 20129418), (2, 10064709), (3, 6709806), (6, 3354903), (9, 2236602), (18, 1118301), (27, 745534), (43, 468126), (54, 372767), (86, 234063), (129, 156042), (258, 78021), (387, 52014), (774, 26007), (1161, 17338), (2322, 8669)]