20894357

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{389}}^1$

素因数の和:676

約数の個数: 16

約数和(自身を含む): 24148800

約数和(自身を除く): 3254443

約数列:

[1, 11, 19, 209, 257, 389, 2827, 4279, 4883, 7391, 53713, 81301, 99973, 1099703, 1899487, 20894357]

約数ペア:

[(1, 20894357), (11, 1899487), (19, 1099703), (209, 99973), (257, 81301), (389, 53713), (2827, 7391), (4279, 4883)]