20700225

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1$

素因数の和:376

約数の個数: 96

約数和(自身を含む): 46941440

約数和(自身を除く): 26241215

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 27, 35, 39, 45, 63, 65, 75, 91, 105, 117, 135, 175, 189, 195, 225, 273, 315, 325, 337, 351, 455, 525, 585, 675, 819, 945, 975, 1011, 1365, 1575, 1685, 1755, 2275, 2359, 2457, 2925, 3033, 4095, 4381, 4725, 5055, 6825, 7077, 8425, 8775, 9099, 11795, 12285, 13143, 15165, 20475, 21231, 21905, 25275, 30667, 35385, 39429, 45495, 58975, 61425, 63693, 65715, 75825, 92001, 106155, 109525, 118287, 153335, 176925, 197145, 227475, 276003, 318465, 328575, 460005, 530775, 591435, 766675, 828009, 985725, 1380015, 1592325, 2300025, 2957175, 4140045, 6900075, 20700225]

約数ペア:

[(1, 20700225), (3, 6900075), (5, 4140045), (7, 2957175), (9, 2300025), (13, 1592325), (15, 1380015), (21, 985725), (25, 828009), (27, 766675), (35, 591435), (39, 530775), (45, 460005), (63, 328575), (65, 318465), (75, 276003), (91, 227475), (105, 197145), (117, 176925), (135, 153335), (175, 118287), (189, 109525), (195, 106155), (225, 92001), (273, 75825), (315, 65715), (325, 63693), (337, 61425), (351, 58975), (455, 45495), (525, 39429), (585, 35385), (675, 30667), (819, 25275), (945, 21905), (975, 21231), (1011, 20475), (1365, 15165), (1575, 13143), (1685, 12285), (1755, 11795), (2275, 9099), (2359, 8775), (2457, 8425), (2925, 7077), (3033, 6825), (4095, 5055), (4381, 4725)]