20636904

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{19997}}^1$

素因数の和:20049

約数の個数: 32

約数和(自身を含む): 52794720

約数和(自身を除く): 32157816

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 19997, 39994, 59991, 79988, 119982, 159976, 239964, 479928, 859871, 1719742, 2579613, 3439484, 5159226, 6878968, 10318452, 20636904]

約数ペア:

[(1, 20636904), (2, 10318452), (3, 6878968), (4, 5159226), (6, 3439484), (8, 2579613), (12, 1719742), (24, 859871), (43, 479928), (86, 239964), (129, 159976), (172, 119982), (258, 79988), (344, 59991), (516, 39994), (1032, 19997)]