20851964

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{24023}}^1$

素因数の和:24065

約数の個数: 24

約数和(自身を含む): 43051008

約数和(自身を除く): 22199044

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 24023, 48046, 96092, 168161, 336322, 672644, 744713, 1489426, 2978852, 5212991, 10425982, 20851964]

約数ペア:

[(1, 20851964), (2, 10425982), (4, 5212991), (7, 2978852), (14, 1489426), (28, 744713), (31, 672644), (62, 336322), (124, 168161), (217, 96092), (434, 48046), (868, 24023)]