20796804

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{27509}}^1$

素因数の和:27529

約数の個数: 48

約数和(自身を含む): 61622400

約数和(自身を除く): 40825596

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 27509, 55018, 82527, 110036, 165054, 192563, 247581, 330108, 385126, 495162, 577689, 742743, 770252, 990324, 1155378, 1485486, 1733067, 2310756, 2970972, 3466134, 5199201, 6932268, 10398402, 20796804]

約数ペア:

[(1, 20796804), (2, 10398402), (3, 6932268), (4, 5199201), (6, 3466134), (7, 2970972), (9, 2310756), (12, 1733067), (14, 1485486), (18, 1155378), (21, 990324), (27, 770252), (28, 742743), (36, 577689), (42, 495162), (54, 385126), (63, 330108), (84, 247581), (108, 192563), (126, 165054), (189, 110036), (252, 82527), (378, 55018), (756, 27509)]