20979594

素因数分解:

$2^1\times 3^3\times {\mathrm{443}}^1\times {\mathrm{877}}^1$

素因数の和:1331

約数の個数: 32

約数和(自身を含む): 46779840

約数和(自身を除く): 25800246

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 443, 877, 886, 1329, 1754, 2631, 2658, 3987, 5262, 7893, 7974, 11961, 15786, 23679, 23922, 47358, 388511, 777022, 1165533, 2331066, 3496599, 6993198, 10489797, 20979594]

約数ペア:

[(1, 20979594), (2, 10489797), (3, 6993198), (6, 3496599), (9, 2331066), (18, 1165533), (27, 777022), (54, 388511), (443, 47358), (877, 23922), (886, 23679), (1329, 15786), (1754, 11961), (2631, 7974), (2658, 7893), (3987, 5262)]