20931344

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5051}}^1$

素因数の和:5103

約数の個数: 40

約数和(自身を含む): 47610048

約数和(自身を除く): 26678704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 259, 296, 518, 592, 1036, 2072, 4144, 5051, 10102, 20204, 35357, 40408, 70714, 80816, 141428, 186887, 282856, 373774, 565712, 747548, 1308209, 1495096, 2616418, 2990192, 5232836, 10465672, 20931344]

約数ペア:

[(1, 20931344), (2, 10465672), (4, 5232836), (7, 2990192), (8, 2616418), (14, 1495096), (16, 1308209), (28, 747548), (37, 565712), (56, 373774), (74, 282856), (112, 186887), (148, 141428), (259, 80816), (296, 70714), (518, 40408), (592, 35357), (1036, 20204), (2072, 10102), (4144, 5051)]