20512172421

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{12601}}^1\times {\mathrm{13913}}^1$

素因数の和:26533

約数の個数: 24

約数和(自身を含む): 31912649496

約数和(自身を除く): 11400477075

約数列:

[1, 3, 9, 13, 39, 117, 12601, 13913, 37803, 41739, 113409, 125217, 163813, 180869, 491439, 542607, 1474317, 1627821, 175317713, 525953139, 1577859417, 2279130269, 6837390807, 20512172421]

約数ペア:

[(1, 20512172421), (3, 6837390807), (9, 2279130269), (13, 1577859417), (39, 525953139), (117, 175317713), (12601, 1627821), (13913, 1474317), (37803, 542607), (41739, 491439), (113409, 180869), (125217, 163813)]