20684874

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15887}}^1$

素因数の和:15930

約数の個数: 32

約数和(自身を含む): 48807936

約数和(自身を除く): 28123062

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 186, 217, 434, 651, 1302, 15887, 31774, 47661, 95322, 111209, 222418, 333627, 492497, 667254, 984994, 1477491, 2954982, 3447479, 6894958, 10342437, 20684874]

約数ペア:

[(1, 20684874), (2, 10342437), (3, 6894958), (6, 3447479), (7, 2954982), (14, 1477491), (21, 984994), (31, 667254), (42, 492497), (62, 333627), (93, 222418), (186, 111209), (217, 95322), (434, 47661), (651, 31774), (1302, 15887)]