20548500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:151

約数の個数: 192

約数和(自身を含む): 72683520

約数和(自身を除く): 52135020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 25, 28, 30, 35, 38, 42, 50, 57, 60, 70, 75, 76, 84, 95, 100, 103, 105, 114, 125, 133, 140, 150, 175, 190, 206, 210, 228, 250, 266, 285, 300, 309, 350, 375, 380, 399, 412, 420, 475, 500, 515, 525, 532, 570, 618, 665, 700, 721, 750, 798, 875, 950, 1030, 1050, 1140, 1236, 1330, 1425, 1442, 1500, 1545, 1596, 1750, 1900, 1957, 1995, 2060, 2100, 2163, 2375, 2575, 2625, 2660, 2850, 2884, 3090, 3325, 3500, 3605, 3914, 3990, 4326, 4750, 5150, 5250, 5700, 5871, 6180, 6650, 7125, 7210, 7725, 7828, 7980, 8652, 9500, 9785, 9975, 10300, 10500, 10815, 11742, 12875, 13300, 13699, 14250, 14420, 15450, 16625, 18025, 19570, 19950, 21630, 23484, 25750, 27398, 28500, 29355, 30900, 33250, 36050, 38625, 39140, 39900, 41097, 43260, 48925, 49875, 51500, 54075, 54796, 58710, 66500, 68495, 72100, 77250, 82194, 90125, 97850, 99750, 108150, 117420, 136990, 146775, 154500, 164388, 180250, 195700, 199500, 205485, 216300, 244625, 270375, 273980, 293550, 342475, 360500, 410970, 489250, 540750, 587100, 684950, 733875, 821940, 978500, 1027425, 1081500, 1369900, 1467750, 1712375, 2054850, 2935500, 3424750, 4109700, 5137125, 6849500, 10274250, 20548500]

約数ペア:

[(1, 20548500), (2, 10274250), (3, 6849500), (4, 5137125), (5, 4109700), (6, 3424750), (7, 2935500), (10, 2054850), (12, 1712375), (14, 1467750), (15, 1369900), (19, 1081500), (20, 1027425), (21, 978500), (25, 821940), (28, 733875), (30, 684950), (35, 587100), (38, 540750), (42, 489250), (50, 410970), (57, 360500), (60, 342475), (70, 293550), (75, 273980), (76, 270375), (84, 244625), (95, 216300), (100, 205485), (103, 199500), (105, 195700), (114, 180250), (125, 164388), (133, 154500), (140, 146775), (150, 136990), (175, 117420), (190, 108150), (206, 99750), (210, 97850), (228, 90125), (250, 82194), (266, 77250), (285, 72100), (300, 68495), (309, 66500), (350, 58710), (375, 54796), (380, 54075), (399, 51500), (412, 49875), (420, 48925), (475, 43260), (500, 41097), (515, 39900), (525, 39140), (532, 38625), (570, 36050), (618, 33250), (665, 30900), (700, 29355), (721, 28500), (750, 27398), (798, 25750), (875, 23484), (950, 21630), (1030, 19950), (1050, 19570), (1140, 18025), (1236, 16625), (1330, 15450), (1425, 14420), (1442, 14250), (1500, 13699), (1545, 13300), (1596, 12875), (1750, 11742), (1900, 10815), (1957, 10500), (1995, 10300), (2060, 9975), (2100, 9785), (2163, 9500), (2375, 8652), (2575, 7980), (2625, 7828), (2660, 7725), (2850, 7210), (2884, 7125), (3090, 6650), (3325, 6180), (3500, 5871), (3605, 5700), (3914, 5250), (3990, 5150), (4326, 4750)]