20742110

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109169}}^1$

素因数の和:109195

約数の個数: 16

約数和(自身を含む): 39301200

約数和(自身を除く): 18559090

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 109169, 218338, 545845, 1091690, 2074211, 4148422, 10371055, 20742110]

約数ペア:

[(1, 20742110), (2, 10371055), (5, 4148422), (10, 2074211), (19, 1091690), (38, 545845), (95, 218338), (190, 109169)]