20963956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{9833}}^1$

素因数の和:9891

約数の個数: 24

約数和(自身を含む): 40476744

約数和(自身を除く): 19512788

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 533, 1066, 2132, 9833, 19666, 39332, 127829, 255658, 403153, 511316, 806306, 1612612, 5240989, 10481978, 20963956]

約数ペア:

[(1, 20963956), (2, 10481978), (4, 5240989), (13, 1612612), (26, 806306), (41, 511316), (52, 403153), (82, 255658), (164, 127829), (533, 39332), (1066, 19666), (2132, 9833)]