20931844240

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1543}}^1\times {\mathrm{4583}}^1$

素因数の和:6176

約数の個数: 80

約数和(自身を含む): 50025155328

約数和(自身を除く): 29093311088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 1543, 2960, 3086, 4583, 6172, 7715, 9166, 12344, 15430, 18332, 22915, 24688, 30860, 36664, 45830, 57091, 61720, 73328, 91660, 114182, 123440, 169571, 183320, 228364, 285455, 339142, 366640, 456728, 570910, 678284, 847855, 913456, 1141820, 1356568, 1695710, 2283640, 2713136, 3391420, 4567280, 6782840, 7071569, 13565680, 14143138, 28286276, 35357845, 56572552, 70715690, 113145104, 141431380, 261648053, 282862760, 523296106, 565725520, 1046592212, 1308240265, 2093184424, 2616480530, 4186368848, 5232961060, 10465922120, 20931844240]

約数ペア:

[(1, 20931844240), (2, 10465922120), (4, 5232961060), (5, 4186368848), (8, 2616480530), (10, 2093184424), (16, 1308240265), (20, 1046592212), (37, 565725520), (40, 523296106), (74, 282862760), (80, 261648053), (148, 141431380), (185, 113145104), (296, 70715690), (370, 56572552), (592, 35357845), (740, 28286276), (1480, 14143138), (1543, 13565680), (2960, 7071569), (3086, 6782840), (4583, 4567280), (6172, 3391420), (7715, 2713136), (9166, 2283640), (12344, 1695710), (15430, 1356568), (18332, 1141820), (22915, 913456), (24688, 847855), (30860, 678284), (36664, 570910), (45830, 456728), (57091, 366640), (61720, 339142), (73328, 285455), (91660, 228364), (114182, 183320), (123440, 169571)]