20785818

素因数分解:

$2^1\times 3^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{827}}^1$

素因数の和:962

約数の個数: 32

約数和(自身を含む): 42923520

約数和(自身を除く): 22137702

約数列:

[1, 2, 3, 6, 59, 71, 118, 142, 177, 213, 354, 426, 827, 1654, 2481, 4189, 4962, 8378, 12567, 25134, 48793, 58717, 97586, 117434, 146379, 176151, 292758, 352302, 3464303, 6928606, 10392909, 20785818]

約数ペア:

[(1, 20785818), (2, 10392909), (3, 6928606), (6, 3464303), (59, 352302), (71, 292758), (118, 176151), (142, 146379), (177, 117434), (213, 97586), (354, 58717), (426, 48793), (827, 25134), (1654, 12567), (2481, 8378), (4189, 4962)]