20311666440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{881}}^1\times {\mathrm{14779}}^1$

素因数の和:15687

約数の個数: 128

約数和(自身を含む): 65701238400

約数和(自身を除く): 45389571960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 881, 1560, 1762, 2643, 3524, 4405, 5286, 7048, 8810, 10572, 11453, 13215, 14779, 17620, 21144, 22906, 26430, 29558, 34359, 35240, 44337, 45812, 52860, 57265, 59116, 68718, 73895, 88674, 91624, 105720, 114530, 118232, 137436, 147790, 171795, 177348, 192127, 221685, 229060, 274872, 295580, 343590, 354696, 384254, 443370, 458120, 576381, 591160, 687180, 768508, 886740, 960635, 1152762, 1374360, 1537016, 1773480, 1921270, 2305524, 2881905, 3842540, 4611048, 5763810, 7685080, 11527620, 13020299, 23055240, 26040598, 39060897, 52081196, 65101495, 78121794, 104162392, 130202990, 156243588, 169263887, 195304485, 260405980, 312487176, 338527774, 390608970, 507791661, 520811960, 677055548, 781217940, 846319435, 1015583322, 1354111096, 1562435880, 1692638870, 2031166644, 2538958305, 3385277740, 4062333288, 5077916610, 6770555480, 10155833220, 20311666440]

約数ペア:

[(1, 20311666440), (2, 10155833220), (3, 6770555480), (4, 5077916610), (5, 4062333288), (6, 3385277740), (8, 2538958305), (10, 2031166644), (12, 1692638870), (13, 1562435880), (15, 1354111096), (20, 1015583322), (24, 846319435), (26, 781217940), (30, 677055548), (39, 520811960), (40, 507791661), (52, 390608970), (60, 338527774), (65, 312487176), (78, 260405980), (104, 195304485), (120, 169263887), (130, 156243588), (156, 130202990), (195, 104162392), (260, 78121794), (312, 65101495), (390, 52081196), (520, 39060897), (780, 26040598), (881, 23055240), (1560, 13020299), (1762, 11527620), (2643, 7685080), (3524, 5763810), (4405, 4611048), (5286, 3842540), (7048, 2881905), (8810, 2305524), (10572, 1921270), (11453, 1773480), (13215, 1537016), (14779, 1374360), (17620, 1152762), (21144, 960635), (22906, 886740), (26430, 768508), (29558, 687180), (34359, 591160), (35240, 576381), (44337, 458120), (45812, 443370), (52860, 384254), (57265, 354696), (59116, 343590), (68718, 295580), (73895, 274872), (88674, 229060), (91624, 221685), (105720, 192127), (114530, 177348), (118232, 171795), (137436, 147790)]