20819464

素因数分解:

$2^3\times {\mathrm{1093}}^1\times {\mathrm{2381}}^1$

素因数の和:3480

約数の個数: 16

約数和(自身を含む): 39088620

約数和(自身を除く): 18269156

約数列:

[1, 2, 4, 8, 1093, 2186, 2381, 4372, 4762, 8744, 9524, 19048, 2602433, 5204866, 10409732, 20819464]

約数ペア:

[(1, 20819464), (2, 10409732), (4, 5204866), (8, 2602433), (1093, 19048), (2186, 9524), (2381, 8744), (4372, 4762)]