20512652520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1061}}^1\times {\mathrm{2207}}^1$

素因数の和:3355

約数の個数: 128

約数和(自身を含む): 62468029440

約数和(自身を除く): 41955376920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 120, 146, 219, 292, 365, 438, 584, 730, 876, 1061, 1095, 1460, 1752, 2122, 2190, 2207, 2920, 3183, 4244, 4380, 4414, 5305, 6366, 6621, 8488, 8760, 8828, 10610, 11035, 12732, 13242, 15915, 17656, 21220, 22070, 25464, 26484, 31830, 33105, 42440, 44140, 52968, 63660, 66210, 77453, 88280, 127320, 132420, 154906, 161111, 232359, 264840, 309812, 322222, 387265, 464718, 483333, 619624, 644444, 774530, 805555, 929436, 966666, 1161795, 1288888, 1549060, 1611110, 1858872, 1933332, 2323590, 2341627, 2416665, 3098120, 3222220, 3866664, 4647180, 4683254, 4833330, 6444440, 7024881, 9294360, 9366508, 9666660, 11708135, 14049762, 18733016, 19333320, 23416270, 28099524, 35124405, 46832540, 56199048, 70248810, 93665080, 140497620, 170938771, 280995240, 341877542, 512816313, 683755084, 854693855, 1025632626, 1367510168, 1709387710, 2051265252, 2564081565, 3418775420, 4102530504, 5128163130, 6837550840, 10256326260, 20512652520]

約数ペア:

[(1, 20512652520), (2, 10256326260), (3, 6837550840), (4, 5128163130), (5, 4102530504), (6, 3418775420), (8, 2564081565), (10, 2051265252), (12, 1709387710), (15, 1367510168), (20, 1025632626), (24, 854693855), (30, 683755084), (40, 512816313), (60, 341877542), (73, 280995240), (120, 170938771), (146, 140497620), (219, 93665080), (292, 70248810), (365, 56199048), (438, 46832540), (584, 35124405), (730, 28099524), (876, 23416270), (1061, 19333320), (1095, 18733016), (1460, 14049762), (1752, 11708135), (2122, 9666660), (2190, 9366508), (2207, 9294360), (2920, 7024881), (3183, 6444440), (4244, 4833330), (4380, 4683254), (4414, 4647180), (5305, 3866664), (6366, 3222220), (6621, 3098120), (8488, 2416665), (8760, 2341627), (8828, 2323590), (10610, 1933332), (11035, 1858872), (12732, 1611110), (13242, 1549060), (15915, 1288888), (17656, 1161795), (21220, 966666), (22070, 929436), (25464, 805555), (26484, 774530), (31830, 644444), (33105, 619624), (42440, 483333), (44140, 464718), (52968, 387265), (63660, 322222), (66210, 309812), (77453, 264840), (88280, 232359), (127320, 161111), (132420, 154906)]