20248851

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{2671}}^1$

素因数の和:2719

約数の個数: 24

約数和(自身を含む): 32577024

約数和(自身を除く): 12328173

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 2671, 7581, 8013, 18697, 50749, 56091, 152247, 355243, 964231, 1065729, 2892693, 6749617, 20248851]

約数ペア:

[(1, 20248851), (3, 6749617), (7, 2892693), (19, 1065729), (21, 964231), (57, 355243), (133, 152247), (361, 56091), (399, 50749), (1083, 18697), (2527, 8013), (2671, 7581)]