20289360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{929}}^1$

素因数の和:965

約数の個数: 160

約数和(自身を含む): 77495040

約数和(自身を除く): 57205680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 929, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 1858, 2184, 2730, 2787, 3120, 3640, 3716, 4368, 4645, 5460, 5574, 6503, 7280, 7432, 9290, 10920, 11148, 12077, 13006, 13935, 14864, 18580, 19509, 21840, 22296, 24154, 26012, 27870, 32515, 36231, 37160, 39018, 44592, 48308, 52024, 55740, 60385, 65030, 72462, 74320, 78036, 84539, 96616, 97545, 104048, 111480, 120770, 130060, 144924, 156072, 169078, 181155, 193232, 195090, 222960, 241540, 253617, 260120, 289848, 312144, 338156, 362310, 390180, 422695, 483080, 507234, 520240, 579696, 676312, 724620, 780360, 845390, 966160, 1014468, 1268085, 1352624, 1449240, 1560720, 1690780, 2028936, 2536170, 2898480, 3381560, 4057872, 5072340, 6763120, 10144680, 20289360]

約数ペア:

[(1, 20289360), (2, 10144680), (3, 6763120), (4, 5072340), (5, 4057872), (6, 3381560), (7, 2898480), (8, 2536170), (10, 2028936), (12, 1690780), (13, 1560720), (14, 1449240), (15, 1352624), (16, 1268085), (20, 1014468), (21, 966160), (24, 845390), (26, 780360), (28, 724620), (30, 676312), (35, 579696), (39, 520240), (40, 507234), (42, 483080), (48, 422695), (52, 390180), (56, 362310), (60, 338156), (65, 312144), (70, 289848), (78, 260120), (80, 253617), (84, 241540), (91, 222960), (104, 195090), (105, 193232), (112, 181155), (120, 169078), (130, 156072), (140, 144924), (156, 130060), (168, 120770), (182, 111480), (195, 104048), (208, 97545), (210, 96616), (240, 84539), (260, 78036), (273, 74320), (280, 72462), (312, 65030), (336, 60385), (364, 55740), (390, 52024), (420, 48308), (455, 44592), (520, 39018), (546, 37160), (560, 36231), (624, 32515), (728, 27870), (780, 26012), (840, 24154), (910, 22296), (929, 21840), (1040, 19509), (1092, 18580), (1365, 14864), (1456, 13935), (1560, 13006), (1680, 12077), (1820, 11148), (1858, 10920), (2184, 9290), (2730, 7432), (2787, 7280), (3120, 6503), (3640, 5574), (3716, 5460), (4368, 4645)]