20163781719

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{7752319}}^1$

素因数の和:7752359

約数の個数: 18

約数和(自身を含む): 30939509120

約数和(自身を除く): 10775727401

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 7752319, 23256957, 69770871, 131789423, 395368269, 1186104807, 2240420191, 6721260573, 20163781719]

約数ペア:

[(1, 20163781719), (3, 6721260573), (9, 2240420191), (17, 1186104807), (51, 395368269), (153, 131789423), (289, 69770871), (867, 23256957), (2601, 7752319)]