20193138

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{17807}}^1$

素因数の和:17828

約数の個数: 40

約数和(自身を含む): 51714432

約数和(自身を除く): 31521294

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 17807, 35614, 53421, 106842, 124649, 160263, 249298, 320526, 373947, 480789, 747894, 961578, 1121841, 1442367, 2243682, 2884734, 3365523, 6731046, 10096569, 20193138]

約数ペア:

[(1, 20193138), (2, 10096569), (3, 6731046), (6, 3365523), (7, 2884734), (9, 2243682), (14, 1442367), (18, 1121841), (21, 961578), (27, 747894), (42, 480789), (54, 373947), (63, 320526), (81, 249298), (126, 160263), (162, 124649), (189, 106842), (378, 53421), (567, 35614), (1134, 17807)]