20302755

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4243}}^1$

素因数の和:4291

約数の個数: 32

約数和(自身を含む): 36668160

約数和(自身を除く): 16365405

約数列:

[1, 3, 5, 11, 15, 29, 33, 55, 87, 145, 165, 319, 435, 957, 1595, 4243, 4785, 12729, 21215, 46673, 63645, 123047, 140019, 233365, 369141, 615235, 700095, 1353517, 1845705, 4060551, 6767585, 20302755]

約数ペア:

[(1, 20302755), (3, 6767585), (5, 4060551), (11, 1845705), (15, 1353517), (29, 700095), (33, 615235), (55, 369141), (87, 233365), (145, 140019), (165, 123047), (319, 63645), (435, 46673), (957, 21215), (1595, 12729), (4243, 4785)]