20793584007

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1171}}^1\times {\mathrm{1999}}^1$

素因数の和:3233

約数の個数: 64

約数和(自身を含む): 36003840000

約数和(自身を除く): 15210255993

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1171, 1269, 1999, 2961, 3513, 5997, 8197, 8883, 10539, 13993, 17991, 24591, 31617, 41979, 53973, 55037, 73773, 93953, 125937, 165111, 221319, 281859, 377811, 385259, 495333, 657671, 845577, 1155777, 1485999, 1973013, 2340829, 2536731, 3467331, 5919039, 7022487, 10401993, 16385803, 17757117, 21067461, 49157409, 63202383, 110018963, 147472227, 330056889, 442416681, 770132741, 990170667, 2310398223, 2970512001, 6931194669, 20793584007]

約数ペア:

[(1, 20793584007), (3, 6931194669), (7, 2970512001), (9, 2310398223), (21, 990170667), (27, 770132741), (47, 442416681), (63, 330056889), (141, 147472227), (189, 110018963), (329, 63202383), (423, 49157409), (987, 21067461), (1171, 17757117), (1269, 16385803), (1999, 10401993), (2961, 7022487), (3513, 5919039), (5997, 3467331), (8197, 2536731), (8883, 2340829), (10539, 1973013), (13993, 1485999), (17991, 1155777), (24591, 845577), (31617, 657671), (41979, 495333), (53973, 385259), (55037, 377811), (73773, 281859), (93953, 221319), (125937, 165111)]