20377854

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{161729}}^1$

素因数の和:161744

約数の個数: 24

約数和(自身を含む): 50459760

約数和(自身を除く): 30081906

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 161729, 323458, 485187, 970374, 1132103, 1455561, 2264206, 2911122, 3396309, 6792618, 10188927, 20377854]

約数ペア:

[(1, 20377854), (2, 10188927), (3, 6792618), (6, 3396309), (7, 2911122), (9, 2264206), (14, 1455561), (18, 1132103), (21, 970374), (42, 485187), (63, 323458), (126, 161729)]