20343582940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{4099}}^1$

素因数の和:4379

約数の個数: 96

約数和(自身を含む): 45460800000

約数和(自身を除く): 25117217060

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 116, 145, 172, 199, 215, 290, 398, 430, 580, 796, 860, 995, 1247, 1990, 2494, 3980, 4099, 4988, 5771, 6235, 8198, 8557, 11542, 12470, 16396, 17114, 20495, 23084, 24940, 28855, 34228, 40990, 42785, 57710, 81980, 85570, 115420, 118871, 171140, 176257, 237742, 248153, 352514, 475484, 496306, 594355, 705028, 815701, 881285, 992612, 1188710, 1240765, 1631402, 1762570, 2377420, 2481530, 3262804, 3525140, 4078505, 4963060, 5111453, 8157010, 10222906, 16314020, 20445812, 23655329, 25557265, 35075143, 47310658, 51114530, 70150286, 94621316, 102229060, 118276645, 140300572, 175375715, 236553290, 350751430, 473106580, 701502860, 1017179147, 2034358294, 4068716588, 5085895735, 10171791470, 20343582940]

約数ペア:

[(1, 20343582940), (2, 10171791470), (4, 5085895735), (5, 4068716588), (10, 2034358294), (20, 1017179147), (29, 701502860), (43, 473106580), (58, 350751430), (86, 236553290), (116, 175375715), (145, 140300572), (172, 118276645), (199, 102229060), (215, 94621316), (290, 70150286), (398, 51114530), (430, 47310658), (580, 35075143), (796, 25557265), (860, 23655329), (995, 20445812), (1247, 16314020), (1990, 10222906), (2494, 8157010), (3980, 5111453), (4099, 4963060), (4988, 4078505), (5771, 3525140), (6235, 3262804), (8198, 2481530), (8557, 2377420), (11542, 1762570), (12470, 1631402), (16396, 1240765), (17114, 1188710), (20495, 992612), (23084, 881285), (24940, 815701), (28855, 705028), (34228, 594355), (40990, 496306), (42785, 475484), (57710, 352514), (81980, 248153), (85570, 237742), (115420, 176257), (118871, 171140)]