20971188

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{83219}}^1$

素因数の和:83236

約数の個数: 36

約数和(自身を含む): 60584160

約数和(自身を除く): 39612972

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 83219, 166438, 249657, 332876, 499314, 582533, 748971, 998628, 1165066, 1497942, 1747599, 2330132, 2995884, 3495198, 5242797, 6990396, 10485594, 20971188]

約数ペア:

[(1, 20971188), (2, 10485594), (3, 6990396), (4, 5242797), (6, 3495198), (7, 2995884), (9, 2330132), (12, 1747599), (14, 1497942), (18, 1165066), (21, 998628), (28, 748971), (36, 582533), (42, 499314), (63, 332876), (84, 249657), (126, 166438), (252, 83219)]