20189664196

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{4002709}}^1$

素因数の和:4002823

約数の個数: 24

約数和(自身を含む): 38442026840

約数和(自身を除く): 18252362644

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 388, 1261, 2522, 5044, 4002709, 8005418, 16010836, 52035217, 104070434, 208140868, 388262773, 776525546, 1553051092, 5047416049, 10094832098, 20189664196]

約数ペア:

[(1, 20189664196), (2, 10094832098), (4, 5047416049), (13, 1553051092), (26, 776525546), (52, 388262773), (97, 208140868), (194, 104070434), (388, 52035217), (1261, 16010836), (2522, 8005418), (5044, 4002709)]