20617968

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{61363}}^1$

素因数の和:61381

約数の個数: 40

約数和(自身を含む): 60873088

約数和(自身を除く): 40255120

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 61363, 122726, 184089, 245452, 368178, 429541, 490904, 736356, 859082, 981808, 1288623, 1472712, 1718164, 2577246, 2945424, 3436328, 5154492, 6872656, 10308984, 20617968]

約数ペア:

[(1, 20617968), (2, 10308984), (3, 6872656), (4, 5154492), (6, 3436328), (7, 2945424), (8, 2577246), (12, 1718164), (14, 1472712), (16, 1288623), (21, 981808), (24, 859082), (28, 736356), (42, 490904), (48, 429541), (56, 368178), (84, 245452), (112, 184089), (168, 122726), (336, 61363)]