20682868

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3833}}^1$

素因数の和:3927

約数の個数: 24

約数和(自身を含む): 38646720

約数和(自身を除く): 17963852

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 284, 1349, 2698, 3833, 5396, 7666, 15332, 72827, 145654, 272143, 291308, 544286, 1088572, 5170717, 10341434, 20682868]

約数ペア:

[(1, 20682868), (2, 10341434), (4, 5170717), (19, 1088572), (38, 544286), (71, 291308), (76, 272143), (142, 145654), (284, 72827), (1349, 15332), (2698, 7666), (3833, 5396)]