20946772

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1447}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 46706688

約数和(自身を除く): 25759916

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 47, 77, 94, 154, 188, 308, 329, 517, 658, 1034, 1316, 1447, 2068, 2894, 3619, 5788, 7238, 10129, 14476, 15917, 20258, 31834, 40516, 63668, 68009, 111419, 136018, 222838, 272036, 445676, 476063, 748099, 952126, 1496198, 1904252, 2992396, 5236693, 10473386, 20946772]

約数ペア:

[(1, 20946772), (2, 10473386), (4, 5236693), (7, 2992396), (11, 1904252), (14, 1496198), (22, 952126), (28, 748099), (44, 476063), (47, 445676), (77, 272036), (94, 222838), (154, 136018), (188, 111419), (308, 68009), (329, 63668), (517, 40516), (658, 31834), (1034, 20258), (1316, 15917), (1447, 14476), (2068, 10129), (2894, 7238), (3619, 5788)]