20563578

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{54401}}^1$

素因数の和:54419

約数の個数: 32

約数和(自身を含む): 52225920

約数和(自身を除く): 31662342

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 54401, 108802, 163203, 326406, 380807, 489609, 761614, 979218, 1142421, 1468827, 2284842, 2937654, 3427263, 6854526, 10281789, 20563578]

約数ペア:

[(1, 20563578), (2, 10281789), (3, 6854526), (6, 3427263), (7, 2937654), (9, 2284842), (14, 1468827), (18, 1142421), (21, 979218), (27, 761614), (42, 489609), (54, 380807), (63, 326406), (126, 163203), (189, 108802), (378, 54401)]