20545304

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{197551}}^1$

素因数の和:197570

約数の個数: 16

約数和(自身を含む): 41485920

約数和(自身を除く): 20940616

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 197551, 395102, 790204, 1580408, 2568163, 5136326, 10272652, 20545304]

約数ペア:

[(1, 20545304), (2, 10272652), (4, 5136326), (8, 2568163), (13, 1580408), (26, 790204), (52, 395102), (104, 197551)]