20857694

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{313}}^1$

素因数の和:572

約数の個数: 32

約数和(自身を含む): 37031904

約数和(自身を除く): 16174210

約数列:

[1, 2, 11, 13, 22, 26, 143, 233, 286, 313, 466, 626, 2563, 3029, 3443, 4069, 5126, 6058, 6886, 8138, 33319, 44759, 66638, 72929, 89518, 145858, 802219, 948077, 1604438, 1896154, 10428847, 20857694]

約数ペア:

[(1, 20857694), (2, 10428847), (11, 1896154), (13, 1604438), (22, 948077), (26, 802219), (143, 145858), (233, 89518), (286, 72929), (313, 66638), (466, 44759), (626, 33319), (2563, 8138), (3029, 6886), (3443, 6058), (4069, 5126)]