20498454

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{19979}}^1$

素因数の和:20009

約数の個数: 32

約数和(自身を含む): 47952000

約数和(自身を除く): 27453546

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 19979, 39958, 59937, 119874, 179811, 359622, 379601, 539433, 759202, 1078866, 1138803, 2277606, 3416409, 6832818, 10249227, 20498454]

約数ペア:

[(1, 20498454), (2, 10249227), (3, 6832818), (6, 3416409), (9, 2277606), (18, 1138803), (19, 1078866), (27, 759202), (38, 539433), (54, 379601), (57, 359622), (114, 179811), (171, 119874), (342, 59937), (513, 39958), (1026, 19979)]