20456498

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1\times {\mathrm{839}}^1$

素因数の和:1081

約数の個数: 16

約数和(自身を含む): 31328640

約数和(自身を除く): 10872142

約数列:

[1, 2, 73, 146, 167, 334, 839, 1678, 12191, 24382, 61247, 122494, 140113, 280226, 10228249, 20456498]

約数ペア:

[(1, 20456498), (2, 10228249), (73, 280226), (146, 140113), (167, 122494), (334, 61247), (839, 24382), (1678, 12191)]