20890862

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{577}}^1$

素因数の和:1043

約数の個数: 16

約数和(自身を含む): 32196912

約数和(自身を除く): 11306050

約数列:

[1, 2, 43, 86, 421, 577, 842, 1154, 18103, 24811, 36206, 49622, 242917, 485834, 10445431, 20890862]

約数ペア:

[(1, 20890862), (2, 10445431), (43, 485834), (86, 242917), (421, 49622), (577, 36206), (842, 24811), (1154, 18103)]