20675200

素因数分解:

$2^7\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:115

約数の個数: 192

約数和(自身を含む): 63745920

約数和(自身を除く): 43070720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 64, 65, 70, 71, 80, 91, 100, 104, 112, 128, 130, 140, 142, 160, 175, 182, 200, 208, 224, 260, 280, 284, 320, 325, 350, 355, 364, 400, 416, 448, 455, 497, 520, 560, 568, 640, 650, 700, 710, 728, 800, 832, 896, 910, 923, 994, 1040, 1120, 1136, 1300, 1400, 1420, 1456, 1600, 1664, 1775, 1820, 1846, 1988, 2080, 2240, 2272, 2275, 2485, 2600, 2800, 2840, 2912, 3200, 3550, 3640, 3692, 3976, 4160, 4480, 4544, 4550, 4615, 4970, 5200, 5600, 5680, 5824, 6461, 7100, 7280, 7384, 7952, 8320, 9088, 9100, 9230, 9940, 10400, 11200, 11360, 11648, 12425, 12922, 14200, 14560, 14768, 15904, 18200, 18460, 19880, 20800, 22400, 22720, 23075, 24850, 25844, 28400, 29120, 29536, 31808, 32305, 36400, 36920, 39760, 41600, 45440, 46150, 49700, 51688, 56800, 58240, 59072, 63616, 64610, 72800, 73840, 79520, 92300, 99400, 103376, 113600, 118144, 129220, 145600, 147680, 159040, 161525, 184600, 198800, 206752, 227200, 258440, 291200, 295360, 318080, 323050, 369200, 397600, 413504, 516880, 590720, 646100, 738400, 795200, 827008, 1033760, 1292200, 1476800, 1590400, 2067520, 2584400, 2953600, 4135040, 5168800, 10337600, 20675200]

約数ペア:

[(1, 20675200), (2, 10337600), (4, 5168800), (5, 4135040), (7, 2953600), (8, 2584400), (10, 2067520), (13, 1590400), (14, 1476800), (16, 1292200), (20, 1033760), (25, 827008), (26, 795200), (28, 738400), (32, 646100), (35, 590720), (40, 516880), (50, 413504), (52, 397600), (56, 369200), (64, 323050), (65, 318080), (70, 295360), (71, 291200), (80, 258440), (91, 227200), (100, 206752), (104, 198800), (112, 184600), (128, 161525), (130, 159040), (140, 147680), (142, 145600), (160, 129220), (175, 118144), (182, 113600), (200, 103376), (208, 99400), (224, 92300), (260, 79520), (280, 73840), (284, 72800), (320, 64610), (325, 63616), (350, 59072), (355, 58240), (364, 56800), (400, 51688), (416, 49700), (448, 46150), (455, 45440), (497, 41600), (520, 39760), (560, 36920), (568, 36400), (640, 32305), (650, 31808), (700, 29536), (710, 29120), (728, 28400), (800, 25844), (832, 24850), (896, 23075), (910, 22720), (923, 22400), (994, 20800), (1040, 19880), (1120, 18460), (1136, 18200), (1300, 15904), (1400, 14768), (1420, 14560), (1456, 14200), (1600, 12922), (1664, 12425), (1775, 11648), (1820, 11360), (1846, 11200), (1988, 10400), (2080, 9940), (2240, 9230), (2272, 9100), (2275, 9088), (2485, 8320), (2600, 7952), (2800, 7384), (2840, 7280), (2912, 7100), (3200, 6461), (3550, 5824), (3640, 5680), (3692, 5600), (3976, 5200), (4160, 4970), (4480, 4615), (4544, 4550)]