20712788

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1511}}^1$

素因数の和:1687

約数の個数: 24

約数和(自身を含む): 38102400

約数和(自身を除く): 17389612

約数列:

[1, 2, 4, 23, 46, 92, 149, 298, 596, 1511, 3022, 3427, 6044, 6854, 13708, 34753, 69506, 139012, 225139, 450278, 900556, 5178197, 10356394, 20712788]

約数ペア:

[(1, 20712788), (2, 10356394), (4, 5178197), (23, 900556), (46, 450278), (92, 225139), (149, 139012), (298, 69506), (596, 34753), (1511, 13708), (3022, 6854), (3427, 6044)]