20197422

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1021}}^1$

素因数の和:1193

約数の個数: 48

約数和(自身を含む): 50380512

約数和(自身を除く): 30183090

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 157, 314, 471, 942, 1021, 1099, 1413, 2042, 2198, 2826, 3063, 3297, 6126, 6594, 7147, 9189, 9891, 14294, 18378, 19782, 21441, 42882, 64323, 128646, 160297, 320594, 480891, 961782, 1122079, 1442673, 2244158, 2885346, 3366237, 6732474, 10098711, 20197422]

約数ペア:

[(1, 20197422), (2, 10098711), (3, 6732474), (6, 3366237), (7, 2885346), (9, 2244158), (14, 1442673), (18, 1122079), (21, 961782), (42, 480891), (63, 320594), (126, 160297), (157, 128646), (314, 64323), (471, 42882), (942, 21441), (1021, 19782), (1099, 18378), (1413, 14294), (2042, 9891), (2198, 9189), (2826, 7147), (3063, 6594), (3297, 6126)]