20672584

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{397}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 40691520

約数和(自身を除く): 20018936

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 283, 397, 566, 794, 1132, 1588, 2264, 3176, 6509, 9131, 13018, 18262, 26036, 36524, 52072, 73048, 112351, 224702, 449404, 898808, 2584073, 5168146, 10336292, 20672584]

約数ペア:

[(1, 20672584), (2, 10336292), (4, 5168146), (8, 2584073), (23, 898808), (46, 449404), (92, 224702), (184, 112351), (283, 73048), (397, 52072), (566, 36524), (794, 26036), (1132, 18262), (1588, 13018), (2264, 9131), (3176, 6509)]