20566816

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{33827}}^1$

素因数の和:33856

約数の個数: 24

約数和(自身を含む): 42623280

約数和(自身を除く): 22056464

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 33827, 67654, 135308, 270616, 541232, 642713, 1082464, 1285426, 2570852, 5141704, 10283408, 20566816]

約数ペア:

[(1, 20566816), (2, 10283408), (4, 5141704), (8, 2570852), (16, 1285426), (19, 1082464), (32, 642713), (38, 541232), (76, 270616), (152, 135308), (304, 67654), (608, 33827)]