20164947

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1109}}^1$

素因数の和:1171

約数の個数: 32

約数和(自身を含む): 31968000

約数和(自身を除く): 11803053

約数列:

[1, 3, 11, 19, 29, 33, 57, 87, 209, 319, 551, 627, 957, 1109, 1653, 3327, 6061, 12199, 18183, 21071, 32161, 36597, 63213, 96483, 231781, 353771, 611059, 695343, 1061313, 1833177, 6721649, 20164947]

約数ペア:

[(1, 20164947), (3, 6721649), (11, 1833177), (19, 1061313), (29, 695343), (33, 611059), (57, 353771), (87, 231781), (209, 96483), (319, 63213), (551, 36597), (627, 32161), (957, 21071), (1109, 18183), (1653, 12199), (3327, 6061)]