20952182080

素因数分解:

$2^6\times 5^1\times {\mathrm{11047}}^1\times {\mathrm{5927}}^1$

素因数の和:16991

約数の個数: 56

約数和(自身を含む): 49905318528

約数和(自身を除く): 28953136448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 5927, 11047, 11854, 22094, 23708, 29635, 44188, 47416, 55235, 59270, 88376, 94832, 110470, 118540, 176752, 189664, 220940, 237080, 353504, 379328, 441880, 474160, 707008, 883760, 948320, 1767520, 1896640, 3535040, 65475569, 130951138, 261902276, 327377845, 523804552, 654755690, 1047609104, 1309511380, 2095218208, 2619022760, 4190436416, 5238045520, 10476091040, 20952182080]

約数ペア:

[(1, 20952182080), (2, 10476091040), (4, 5238045520), (5, 4190436416), (8, 2619022760), (10, 2095218208), (16, 1309511380), (20, 1047609104), (32, 654755690), (40, 523804552), (64, 327377845), (80, 261902276), (160, 130951138), (320, 65475569), (5927, 3535040), (11047, 1896640), (11854, 1767520), (22094, 948320), (23708, 883760), (29635, 707008), (44188, 474160), (47416, 441880), (55235, 379328), (59270, 353504), (88376, 237080), (94832, 220940), (110470, 189664), (118540, 176752)]