20356866

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{19841}}^1$

素因数の和:19871

約数の個数: 32

約数和(自身を含む): 47620800

約数和(自身を除く): 27263934

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 19841, 39682, 59523, 119046, 178569, 357138, 376979, 535707, 753958, 1071414, 1130937, 2261874, 3392811, 6785622, 10178433, 20356866]

約数ペア:

[(1, 20356866), (2, 10178433), (3, 6785622), (6, 3392811), (9, 2261874), (18, 1130937), (19, 1071414), (27, 753958), (38, 535707), (54, 376979), (57, 357138), (114, 178569), (171, 119046), (342, 59523), (513, 39682), (1026, 19841)]