20163318111

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{240151}}^1$

素因数の和:240667

約数の個数: 24

約数和(自身を含む): 30720243840

約数和(自身を除く): 10556925729

約数列:

[1, 3, 9, 19, 57, 171, 491, 1473, 4419, 9329, 27987, 83961, 240151, 720453, 2161359, 4562869, 13688607, 41065821, 117914141, 353742423, 1061227269, 2240368679, 6721106037, 20163318111]

約数ペア:

[(1, 20163318111), (3, 6721106037), (9, 2240368679), (19, 1061227269), (57, 353742423), (171, 117914141), (491, 41065821), (1473, 13688607), (4419, 4562869), (9329, 2161359), (27987, 720453), (83961, 240151)]