20052806872

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{929}}^1\times {\mathrm{20287}}^1$

素因数の和:21248

約数の個数: 64

約数和(自身を含む): 45282816000

約数和(自身を除く): 25230009128

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 929, 1064, 1858, 3716, 6503, 7432, 13006, 17651, 20287, 26012, 35302, 40574, 52024, 70604, 81148, 123557, 141208, 142009, 162296, 247114, 284018, 385453, 494228, 568036, 770906, 988456, 1136072, 1541812, 2698171, 3083624, 5396342, 10792684, 18846623, 21585368, 37693246, 75386492, 131926361, 150772984, 263852722, 358085837, 527705444, 716171674, 1055410888, 1432343348, 2506600859, 2864686696, 5013201718, 10026403436, 20052806872]

約数ペア:

[(1, 20052806872), (2, 10026403436), (4, 5013201718), (7, 2864686696), (8, 2506600859), (14, 1432343348), (19, 1055410888), (28, 716171674), (38, 527705444), (56, 358085837), (76, 263852722), (133, 150772984), (152, 131926361), (266, 75386492), (532, 37693246), (929, 21585368), (1064, 18846623), (1858, 10792684), (3716, 5396342), (6503, 3083624), (7432, 2698171), (13006, 1541812), (17651, 1136072), (20287, 988456), (26012, 770906), (35302, 568036), (40574, 494228), (52024, 385453), (70604, 284018), (81148, 247114), (123557, 162296), (141208, 142009)]