20689326

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{164201}}^1$

素因数の和:164216

約数の個数: 24

約数和(自身を含む): 51231024

約数和(自身を除く): 30541698

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 164201, 328402, 492603, 985206, 1149407, 1477809, 2298814, 2955618, 3448221, 6896442, 10344663, 20689326]

約数ペア:

[(1, 20689326), (2, 10344663), (3, 6896442), (6, 3448221), (7, 2955618), (9, 2298814), (14, 1477809), (18, 1149407), (21, 985206), (42, 492603), (63, 328402), (126, 164201)]