20552957008

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{1279}}^1\times {\mathrm{7331}}^1$

素因数の和:8755

約数の個数: 40

約数和(自身を含む): 40148858880

約数和(自身を除く): 19595901872

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 1279, 2192, 2558, 5116, 7331, 10232, 14662, 20464, 29324, 58648, 117296, 175223, 350446, 700892, 1004347, 1401784, 2008694, 2803568, 4017388, 8034776, 9376349, 16069552, 18752698, 37505396, 75010792, 150021584, 1284559813, 2569119626, 5138239252, 10276478504, 20552957008]

約数ペア:

[(1, 20552957008), (2, 10276478504), (4, 5138239252), (8, 2569119626), (16, 1284559813), (137, 150021584), (274, 75010792), (548, 37505396), (1096, 18752698), (1279, 16069552), (2192, 9376349), (2558, 8034776), (5116, 4017388), (7331, 2803568), (10232, 2008694), (14662, 1401784), (20464, 1004347), (29324, 700892), (58648, 350446), (117296, 175223)]