20425356

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11579}}^1$

素因数の和:11603

約数の個数: 54

約数和(自身を含む): 60065460

約数和(自身を除く): 39640104

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 11579, 23158, 34737, 46316, 69474, 81053, 104211, 138948, 162106, 208422, 243159, 324212, 416844, 486318, 567371, 729477, 972636, 1134742, 1458954, 1702113, 2269484, 2917908, 3404226, 5106339, 6808452, 10212678, 20425356]

約数ペア:

[(1, 20425356), (2, 10212678), (3, 6808452), (4, 5106339), (6, 3404226), (7, 2917908), (9, 2269484), (12, 1702113), (14, 1458954), (18, 1134742), (21, 972636), (28, 729477), (36, 567371), (42, 486318), (49, 416844), (63, 324212), (84, 243159), (98, 208422), (126, 162106), (147, 138948), (196, 104211), (252, 81053), (294, 69474), (441, 46316), (588, 34737), (882, 23158), (1764, 11579)]