20730371640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{86767}}^1$

素因数の和:86973

約数の個数: 128

約数和(自身を含む): 68220472320

約数和(自身を除く): 47490100680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 181, 220, 264, 330, 362, 440, 543, 660, 724, 905, 1086, 1320, 1448, 1810, 1991, 2172, 2715, 3620, 3982, 4344, 5430, 5973, 7240, 7964, 9955, 10860, 11946, 15928, 19910, 21720, 23892, 29865, 39820, 47784, 59730, 79640, 86767, 119460, 173534, 238920, 260301, 347068, 433835, 520602, 694136, 867670, 954437, 1041204, 1301505, 1735340, 1908874, 2082408, 2603010, 2863311, 3470680, 3817748, 4772185, 5206020, 5726622, 7635496, 9544370, 10412040, 11453244, 14316555, 15704827, 19088740, 22906488, 28633110, 31409654, 38177480, 47114481, 57266220, 62819308, 78524135, 94228962, 114532440, 125638616, 157048270, 172753097, 188457924, 235572405, 314096540, 345506194, 376915848, 471144810, 518259291, 628193080, 691012388, 863765485, 942289620, 1036518582, 1382024776, 1727530970, 1884579240, 2073037164, 2591296455, 3455061940, 4146074328, 5182592910, 6910123880, 10365185820, 20730371640]

約数ペア:

[(1, 20730371640), (2, 10365185820), (3, 6910123880), (4, 5182592910), (5, 4146074328), (6, 3455061940), (8, 2591296455), (10, 2073037164), (11, 1884579240), (12, 1727530970), (15, 1382024776), (20, 1036518582), (22, 942289620), (24, 863765485), (30, 691012388), (33, 628193080), (40, 518259291), (44, 471144810), (55, 376915848), (60, 345506194), (66, 314096540), (88, 235572405), (110, 188457924), (120, 172753097), (132, 157048270), (165, 125638616), (181, 114532440), (220, 94228962), (264, 78524135), (330, 62819308), (362, 57266220), (440, 47114481), (543, 38177480), (660, 31409654), (724, 28633110), (905, 22906488), (1086, 19088740), (1320, 15704827), (1448, 14316555), (1810, 11453244), (1991, 10412040), (2172, 9544370), (2715, 7635496), (3620, 5726622), (3982, 5206020), (4344, 4772185), (5430, 3817748), (5973, 3470680), (7240, 2863311), (7964, 2603010), (9955, 2082408), (10860, 1908874), (11946, 1735340), (15928, 1301505), (19910, 1041204), (21720, 954437), (23892, 867670), (29865, 694136), (39820, 520602), (47784, 433835), (59730, 347068), (79640, 260301), (86767, 238920), (119460, 173534)]