20316879

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1021}}^1$

素因数の和:1108

約数の個数: 32

約数和(自身を含む): 33358080

約数和(自身を除く): 13041201

約数列:

[1, 3, 9, 11, 27, 33, 67, 99, 201, 297, 603, 737, 1021, 1809, 2211, 3063, 6633, 9189, 11231, 19899, 27567, 33693, 68407, 101079, 205221, 303237, 615663, 752477, 1846989, 2257431, 6772293, 20316879]

約数ペア:

[(1, 20316879), (3, 6772293), (9, 2257431), (11, 1846989), (27, 752477), (33, 615663), (67, 303237), (99, 205221), (201, 101079), (297, 68407), (603, 33693), (737, 27567), (1021, 19899), (1809, 11231), (2211, 9189), (3063, 6633)]