20851941

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{9431}}^1$

素因数の和:9512

約数の個数: 16

約数和(自身を含む): 30786048

約数和(自身を除く): 9934107

約数列:

[1, 3, 11, 33, 67, 201, 737, 2211, 9431, 28293, 103741, 311223, 631877, 1895631, 6950647, 20851941]

約数ペア:

[(1, 20851941), (3, 6950647), (11, 1895631), (33, 631877), (67, 311223), (201, 103741), (737, 28293), (2211, 9431)]