20853951

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{359}}^1$

素因数の和:463

約数の個数: 24

約数和(自身を含む): 30061440

約数和(自身を除く): 9207489

約数列:

[1, 3, 17, 51, 67, 201, 289, 359, 867, 1077, 1139, 3417, 6103, 18309, 19363, 24053, 58089, 72159, 103751, 311253, 408901, 1226703, 6951317, 20853951]

約数ペア:

[(1, 20853951), (3, 6951317), (17, 1226703), (51, 408901), (67, 311253), (201, 103751), (289, 72159), (359, 58089), (867, 24053), (1077, 19363), (1139, 18309), (3417, 6103)]