20264405

素因数分解:

$5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2939}}^1$

素因数の和:3148

約数の個数: 16

約数和(自身を含む): 27941760

約数和(自身を除く): 7677355

約数列:

[1, 5, 7, 35, 197, 985, 1379, 2939, 6895, 14695, 20573, 102865, 578983, 2894915, 4052881, 20264405]

約数ペア:

[(1, 20264405), (5, 4052881), (7, 2894915), (35, 578983), (197, 102865), (985, 20573), (1379, 14695), (2939, 6895)]