20518116

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4373}}^1$

素因数の和:4420

約数の個数: 48

約数和(自身を含む): 52907904

約数和(自身を除く): 32389788

約数列:

[1, 2, 3, 4, 6, 12, 17, 23, 34, 46, 51, 68, 69, 92, 102, 138, 204, 276, 391, 782, 1173, 1564, 2346, 4373, 4692, 8746, 13119, 17492, 26238, 52476, 74341, 100579, 148682, 201158, 223023, 297364, 301737, 402316, 446046, 603474, 892092, 1206948, 1709843, 3419686, 5129529, 6839372, 10259058, 20518116]

約数ペア:

[(1, 20518116), (2, 10259058), (3, 6839372), (4, 5129529), (6, 3419686), (12, 1709843), (17, 1206948), (23, 892092), (34, 603474), (46, 446046), (51, 402316), (68, 301737), (69, 297364), (92, 223023), (102, 201158), (138, 148682), (204, 100579), (276, 74341), (391, 52476), (782, 26238), (1173, 17492), (1564, 13119), (2346, 8746), (4373, 4692)]