20837696705

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{8293}}^1$

素因数の和:8466

約数の個数: 64

約数和(自身を含む): 31301157888

約数和(自身を除く): 10463461183

約数列:

[1, 5, 7, 17, 35, 41, 85, 103, 119, 205, 287, 515, 595, 697, 721, 1435, 1751, 3485, 3605, 4223, 4879, 8293, 8755, 12257, 21115, 24395, 29561, 41465, 58051, 61285, 71791, 140981, 147805, 290255, 340013, 358955, 502537, 704905, 854179, 986867, 1700065, 2380091, 2512685, 4270895, 4934335, 5780221, 5979253, 11900455, 14521043, 28901105, 29896265, 35021339, 40461547, 72605215, 101647301, 175106695, 202307735, 245149373, 508236505, 595362763, 1225746865, 2976813815, 4167539341, 20837696705]

約数ペア:

[(1, 20837696705), (5, 4167539341), (7, 2976813815), (17, 1225746865), (35, 595362763), (41, 508236505), (85, 245149373), (103, 202307735), (119, 175106695), (205, 101647301), (287, 72605215), (515, 40461547), (595, 35021339), (697, 29896265), (721, 28901105), (1435, 14521043), (1751, 11900455), (3485, 5979253), (3605, 5780221), (4223, 4934335), (4879, 4270895), (8293, 2512685), (8755, 2380091), (12257, 1700065), (21115, 986867), (24395, 854179), (29561, 704905), (41465, 502537), (58051, 358955), (61285, 340013), (71791, 290255), (140981, 147805)]