20166201

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 34145280

約数和(自身を除く): 13979079

約数列:

[1, 3, 9, 11, 19, 33, 57, 71, 99, 151, 171, 209, 213, 453, 627, 639, 781, 1349, 1359, 1661, 1881, 2343, 2869, 4047, 4983, 7029, 8607, 10721, 12141, 14839, 14949, 25821, 31559, 32163, 44517, 94677, 96489, 117931, 133551, 203699, 284031, 353793, 611097, 1061379, 1833291, 2240689, 6722067, 20166201]

約数ペア:

[(1, 20166201), (3, 6722067), (9, 2240689), (11, 1833291), (19, 1061379), (33, 611097), (57, 353793), (71, 284031), (99, 203699), (151, 133551), (171, 117931), (209, 96489), (213, 94677), (453, 44517), (627, 32163), (639, 31559), (781, 25821), (1349, 14949), (1359, 14839), (1661, 12141), (1881, 10721), (2343, 8607), (2869, 7029), (4047, 4983)]