20739528064

素因数分解:

$2^7\times {\mathrm{223}}^1\times {\mathrm{647}}^1\times {\mathrm{1123}}^1$

素因数の和:2007

約数の個数: 64

約数和(自身を含む): 41603466240

約数和(自身を除く): 20863938176

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 223, 446, 647, 892, 1123, 1294, 1784, 2246, 2588, 3568, 4492, 5176, 7136, 8984, 10352, 14272, 17968, 20704, 28544, 35936, 41408, 71872, 82816, 143744, 144281, 250429, 288562, 500858, 577124, 726581, 1001716, 1154248, 1453162, 2003432, 2308496, 2906324, 4006864, 4616992, 5812648, 8013728, 9233984, 11625296, 16027456, 18467968, 23250592, 32054912, 46501184, 93002368, 162027563, 324055126, 648110252, 1296220504, 2592441008, 5184882016, 10369764032, 20739528064]

約数ペア:

[(1, 20739528064), (2, 10369764032), (4, 5184882016), (8, 2592441008), (16, 1296220504), (32, 648110252), (64, 324055126), (128, 162027563), (223, 93002368), (446, 46501184), (647, 32054912), (892, 23250592), (1123, 18467968), (1294, 16027456), (1784, 11625296), (2246, 9233984), (2588, 8013728), (3568, 5812648), (4492, 4616992), (5176, 4006864), (7136, 2906324), (8984, 2308496), (10352, 2003432), (14272, 1453162), (17968, 1154248), (20704, 1001716), (28544, 726581), (35936, 577124), (41408, 500858), (71872, 288562), (82816, 250429), (143744, 144281)]