20199665356

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{480167}}^1$

素因数の和:480993

約数の個数: 24

約数和(自身を含む): 38115735840

約数和(自身を除く): 17916070484

約数列:

[1, 2, 4, 13, 26, 52, 809, 1618, 3236, 10517, 21034, 42068, 480167, 960334, 1920668, 6242171, 12484342, 24968684, 388455103, 776910206, 1553820412, 5049916339, 10099832678, 20199665356]

約数ペア:

[(1, 20199665356), (2, 10099832678), (4, 5049916339), (13, 1553820412), (26, 776910206), (52, 388455103), (809, 24968684), (1618, 12484342), (3236, 6242171), (10517, 1920668), (21034, 960334), (42068, 480167)]