20349901

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{761}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 25539192

約数和(自身を除く): 5189291

約数列:

[1, 11, 13, 17, 121, 143, 187, 221, 761, 1573, 2057, 2431, 8371, 9893, 12937, 26741, 92081, 108823, 142307, 168181, 1197053, 1565377, 1849991, 20349901]

約数ペア:

[(1, 20349901), (11, 1849991), (13, 1565377), (17, 1197053), (121, 168181), (143, 142307), (187, 108823), (221, 92081), (761, 26741), (1573, 12937), (2057, 9893), (2431, 8371)]