20295484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 42045696

約数和(自身を除く): 21750212

約数列:

[1, 2, 4, 11, 17, 22, 34, 43, 44, 68, 86, 172, 187, 374, 473, 631, 731, 748, 946, 1262, 1462, 1892, 2524, 2924, 6941, 8041, 10727, 13882, 16082, 21454, 27133, 27764, 32164, 42908, 54266, 108532, 117997, 235994, 298463, 461261, 471988, 596926, 922522, 1193852, 1845044, 5073871, 10147742, 20295484]

約数ペア:

[(1, 20295484), (2, 10147742), (4, 5073871), (11, 1845044), (17, 1193852), (22, 922522), (34, 596926), (43, 471988), (44, 461261), (68, 298463), (86, 235994), (172, 117997), (187, 108532), (374, 54266), (473, 42908), (631, 32164), (731, 27764), (748, 27133), (946, 21454), (1262, 16082), (1462, 13882), (1892, 10727), (2524, 8041), (2924, 6941)]