20661354

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{163979}}^1$

素因数の和:163994

約数の個数: 24

約数和(自身を含む): 51161760

約数和(自身を除く): 30500406

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 163979, 327958, 491937, 983874, 1147853, 1475811, 2295706, 2951622, 3443559, 6887118, 10330677, 20661354]

約数ペア:

[(1, 20661354), (2, 10330677), (3, 6887118), (6, 3443559), (7, 2951622), (9, 2295706), (14, 1475811), (18, 1147853), (21, 983874), (42, 491937), (63, 327958), (126, 163979)]