20280551355

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{821}}^1\times {\mathrm{8999}}^1$

素因数の和:9892

約数の個数: 48

約数和(自身を含む): 35776728000

約数和(自身を除く): 15496176645

約数列:

[1, 3, 5, 9, 15, 45, 61, 183, 305, 549, 821, 915, 2463, 2745, 4105, 7389, 8999, 12315, 26997, 36945, 44995, 50081, 80991, 134985, 150243, 250405, 404955, 450729, 548939, 751215, 1646817, 2253645, 2744695, 4940451, 7388179, 8234085, 22164537, 24702255, 36940895, 66493611, 110822685, 332468055, 450678919, 1352036757, 2253394595, 4056110271, 6760183785, 20280551355]

約数ペア:

[(1, 20280551355), (3, 6760183785), (5, 4056110271), (9, 2253394595), (15, 1352036757), (45, 450678919), (61, 332468055), (183, 110822685), (305, 66493611), (549, 36940895), (821, 24702255), (915, 22164537), (2463, 8234085), (2745, 7388179), (4105, 4940451), (7389, 2744695), (8999, 2253645), (12315, 1646817), (26997, 751215), (36945, 548939), (44995, 450729), (50081, 404955), (80991, 250405), (134985, 150243)]