20158566

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{769}}^1$

素因数の和:1048

約数の個数: 32

約数和(自身を含む): 42910560

約数和(自身を除く): 22751994

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 257, 514, 769, 771, 1538, 1542, 2307, 4369, 4614, 8738, 13073, 13107, 26146, 26214, 39219, 78438, 197633, 395266, 592899, 1185798, 3359761, 6719522, 10079283, 20158566]

約数ペア:

[(1, 20158566), (2, 10079283), (3, 6719522), (6, 3359761), (17, 1185798), (34, 592899), (51, 395266), (102, 197633), (257, 78438), (514, 39219), (769, 26214), (771, 26146), (1538, 13107), (1542, 13073), (2307, 8738), (4369, 4614)]