20178690813

素因数分解:

$3^3\times {\mathrm{1163}}^1\times {\mathrm{642613}}^1$

素因数の和:643785

約数の個数: 16

約数和(自身を含む): 29920107840

約数和(自身を除く): 9741417027

約数列:

[1, 3, 9, 27, 1163, 3489, 10467, 31401, 642613, 1927839, 5783517, 17350551, 747358919, 2242076757, 6726230271, 20178690813]

約数ペア:

[(1, 20178690813), (3, 6726230271), (9, 2242076757), (27, 747358919), (1163, 17350551), (3489, 5783517), (10467, 1927839), (31401, 642613)]