20357326

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:420

約数の個数: 32

約数和(自身を含む): 34719840

約数和(自身を除く): 14362514

約数列:

[1, 2, 11, 22, 37, 74, 89, 178, 281, 407, 562, 814, 979, 1958, 3091, 3293, 6182, 6586, 10397, 20794, 25009, 36223, 50018, 72446, 114367, 228734, 275099, 550198, 925333, 1850666, 10178663, 20357326]

約数ペア:

[(1, 20357326), (2, 10178663), (11, 1850666), (22, 925333), (37, 550198), (74, 275099), (89, 228734), (178, 114367), (281, 72446), (407, 50018), (562, 36223), (814, 25009), (979, 20794), (1958, 10397), (3091, 6586), (3293, 6182)]