20002984

素因数分解:

$2^3\times {\mathrm{67}}^2\times {\mathrm{557}}^1$

素因数の和:697

約数の個数: 24

約数和(自身を含む): 38142090

約数和(自身を除く): 18139106

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 557, 1114, 2228, 4456, 4489, 8978, 17956, 35912, 37319, 74638, 149276, 298552, 2500373, 5000746, 10001492, 20002984]

約数ペア:

[(1, 20002984), (2, 10001492), (4, 5000746), (8, 2500373), (67, 298552), (134, 149276), (268, 74638), (536, 37319), (557, 35912), (1114, 17956), (2228, 8978), (4456, 4489)]