20601365

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 26856360

約数和(自身を除く): 6254995

約数列:

[1, 5, 17, 53, 85, 265, 269, 289, 901, 1345, 1445, 4505, 4573, 14257, 15317, 22865, 71285, 76585, 77741, 242369, 388705, 1211845, 4120273, 20601365]

約数ペア:

[(1, 20601365), (5, 4120273), (17, 1211845), (53, 388705), (85, 242369), (265, 77741), (269, 76585), (289, 71285), (901, 22865), (1345, 15317), (1445, 14257), (4505, 4573)]