20857564206

素因数分解:

$2^1\times 3^3\times {\mathrm{89}}^1\times {\mathrm{4339901}}^1$

素因数の和:4340001

約数の個数: 32

約数和(自身を含む): 46870941600

約数和(自身を除く): 26013377394

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 89, 178, 267, 534, 801, 1602, 2403, 4806, 4339901, 8679802, 13019703, 26039406, 39059109, 78118218, 117177327, 234354654, 386251189, 772502378, 1158753567, 2317507134, 3476260701, 6952521402, 10428782103, 20857564206]

約数ペア:

[(1, 20857564206), (2, 10428782103), (3, 6952521402), (6, 3476260701), (9, 2317507134), (18, 1158753567), (27, 772502378), (54, 386251189), (89, 234354654), (178, 117177327), (267, 78118218), (534, 39059109), (801, 26039406), (1602, 13019703), (2403, 8679802), (4806, 4339901)]