20959809

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{9109}}^1$

素因数の和:9184

約数の個数: 16

約数和(自身を含む): 30609600

約数和(自身を除く): 9649791

約数列:

[1, 3, 13, 39, 59, 177, 767, 2301, 9109, 27327, 118417, 355251, 537431, 1612293, 6986603, 20959809]

約数ペア:

[(1, 20959809), (3, 6986603), (13, 1612293), (39, 537431), (59, 355251), (177, 118417), (767, 27327), (2301, 9109)]