20198007

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4073}}^1$

素因数の和:4127

約数の個数: 24

約数和(自身を含む): 31777200

約数和(自身を除く): 11579193

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 1653, 4073, 4959, 12219, 36657, 77387, 118117, 232161, 354351, 696483, 1063053, 2244223, 6732669, 20198007]

約数ペア:

[(1, 20198007), (3, 6732669), (9, 2244223), (19, 1063053), (29, 696483), (57, 354351), (87, 232161), (171, 118117), (261, 77387), (551, 36657), (1653, 12219), (4073, 4959)]