20983935

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8689}}^1$

素因数の和:8727

約数の個数: 32

約数和(自身を含む): 40043520

約数和(自身を除く): 19059585

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 8689, 26067, 43445, 60823, 130335, 182469, 199847, 304115, 599541, 912345, 999235, 1398929, 2997705, 4196787, 6994645, 20983935]

約数ペア:

[(1, 20983935), (3, 6994645), (5, 4196787), (7, 2997705), (15, 1398929), (21, 999235), (23, 912345), (35, 599541), (69, 304115), (105, 199847), (115, 182469), (161, 130335), (345, 60823), (483, 43445), (805, 26067), (2415, 8689)]