20117556

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{9161}}^1$

素因数の和:9232

約数の個数: 36

約数和(自身を含む): 51692004

約数和(自身を除く): 31574448

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 244, 366, 549, 732, 1098, 2196, 9161, 18322, 27483, 36644, 54966, 82449, 109932, 164898, 329796, 558821, 1117642, 1676463, 2235284, 3352926, 5029389, 6705852, 10058778, 20117556]

約数ペア:

[(1, 20117556), (2, 10058778), (3, 6705852), (4, 5029389), (6, 3352926), (9, 2235284), (12, 1676463), (18, 1117642), (36, 558821), (61, 329796), (122, 164898), (183, 109932), (244, 82449), (366, 54966), (549, 36644), (732, 27483), (1098, 18322), (2196, 9161)]