20165128

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4783}}^1$

素因数の和:4837

約数の個数: 32

約数和(自身を含む): 41333760

約数和(自身を除く): 21168632

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 1054, 2108, 4216, 4783, 9566, 19132, 38264, 81311, 148273, 162622, 296546, 325244, 593092, 650488, 1186184, 2520641, 5041282, 10082564, 20165128]

約数ペア:

[(1, 20165128), (2, 10082564), (4, 5041282), (8, 2520641), (17, 1186184), (31, 650488), (34, 593092), (62, 325244), (68, 296546), (124, 162622), (136, 148273), (248, 81311), (527, 38264), (1054, 19132), (2108, 9566), (4216, 4783)]