20215710273

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{66739}}^1$

素因数の和:66957

約数の個数: 32

約数和(自身を含む): 30061831680

約数和(自身を除く): 9846121407

約数列:

[1, 3, 11, 33, 67, 137, 201, 411, 737, 1507, 2211, 4521, 9179, 27537, 66739, 100969, 200217, 302907, 734129, 2202387, 4471513, 9143243, 13414539, 27429729, 49186643, 100575673, 147559929, 301727019, 612597281, 1837791843, 6738570091, 20215710273]

約数ペア:

[(1, 20215710273), (3, 6738570091), (11, 1837791843), (33, 612597281), (67, 301727019), (137, 147559929), (201, 100575673), (411, 49186643), (737, 27429729), (1507, 13414539), (2211, 9143243), (4521, 4471513), (9179, 2202387), (27537, 734129), (66739, 302907), (100969, 200217)]