20261847

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:447

約数の個数: 24

約数和(自身を含む): 29132784

約数和(自身を除く): 8870937

約数列:

[1, 3, 19, 53, 57, 159, 353, 361, 1007, 1059, 1083, 3021, 6707, 18709, 19133, 20121, 56127, 57399, 127433, 355471, 382299, 1066413, 6753949, 20261847]

約数ペア:

[(1, 20261847), (3, 6753949), (19, 1066413), (53, 382299), (57, 355471), (159, 127433), (353, 57399), (361, 56127), (1007, 20121), (1059, 19133), (1083, 18709), (3021, 6707)]