20693400

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1$

素因数の和:418

約数の個数: 192

約数和(自身を含む): 79161600

約数和(自身を除く): 58468200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 25, 26, 28, 30, 35, 39, 40, 42, 50, 52, 56, 60, 65, 70, 75, 78, 84, 91, 100, 104, 105, 120, 130, 140, 150, 156, 168, 175, 182, 195, 200, 210, 260, 273, 280, 300, 312, 325, 350, 364, 379, 390, 420, 455, 520, 525, 546, 600, 650, 700, 728, 758, 780, 840, 910, 975, 1050, 1092, 1137, 1300, 1365, 1400, 1516, 1560, 1820, 1895, 1950, 2100, 2184, 2274, 2275, 2600, 2653, 2730, 3032, 3640, 3790, 3900, 4200, 4548, 4550, 4927, 5306, 5460, 5685, 6825, 7580, 7800, 7959, 9096, 9100, 9475, 9854, 10612, 10920, 11370, 13265, 13650, 14781, 15160, 15918, 18200, 18950, 19708, 21224, 22740, 24635, 26530, 27300, 28425, 29562, 31836, 34489, 37900, 39416, 39795, 45480, 49270, 53060, 54600, 56850, 59124, 63672, 66325, 68978, 73905, 75800, 79590, 98540, 103467, 106120, 113700, 118248, 123175, 132650, 137956, 147810, 159180, 172445, 197080, 198975, 206934, 227400, 246350, 265300, 275912, 295620, 318360, 344890, 369525, 397950, 413868, 492700, 517335, 530600, 591240, 689780, 739050, 795900, 827736, 862225, 985400, 1034670, 1379560, 1478100, 1591800, 1724450, 2069340, 2586675, 2956200, 3448900, 4138680, 5173350, 6897800, 10346700, 20693400]

約数ペア:

[(1, 20693400), (2, 10346700), (3, 6897800), (4, 5173350), (5, 4138680), (6, 3448900), (7, 2956200), (8, 2586675), (10, 2069340), (12, 1724450), (13, 1591800), (14, 1478100), (15, 1379560), (20, 1034670), (21, 985400), (24, 862225), (25, 827736), (26, 795900), (28, 739050), (30, 689780), (35, 591240), (39, 530600), (40, 517335), (42, 492700), (50, 413868), (52, 397950), (56, 369525), (60, 344890), (65, 318360), (70, 295620), (75, 275912), (78, 265300), (84, 246350), (91, 227400), (100, 206934), (104, 198975), (105, 197080), (120, 172445), (130, 159180), (140, 147810), (150, 137956), (156, 132650), (168, 123175), (175, 118248), (182, 113700), (195, 106120), (200, 103467), (210, 98540), (260, 79590), (273, 75800), (280, 73905), (300, 68978), (312, 66325), (325, 63672), (350, 59124), (364, 56850), (379, 54600), (390, 53060), (420, 49270), (455, 45480), (520, 39795), (525, 39416), (546, 37900), (600, 34489), (650, 31836), (700, 29562), (728, 28425), (758, 27300), (780, 26530), (840, 24635), (910, 22740), (975, 21224), (1050, 19708), (1092, 18950), (1137, 18200), (1300, 15918), (1365, 15160), (1400, 14781), (1516, 13650), (1560, 13265), (1820, 11370), (1895, 10920), (1950, 10612), (2100, 9854), (2184, 9475), (2274, 9100), (2275, 9096), (2600, 7959), (2653, 7800), (2730, 7580), (3032, 6825), (3640, 5685), (3790, 5460), (3900, 5306), (4200, 4927), (4548, 4550)]