20375012

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 42594048

約数和(自身を除く): 22219036

約数列:

[1, 2, 4, 7, 14, 28, 37, 71, 74, 142, 148, 259, 277, 284, 497, 518, 554, 994, 1036, 1108, 1939, 1988, 2627, 3878, 5254, 7756, 10249, 10508, 18389, 19667, 20498, 36778, 39334, 40996, 71743, 73556, 78668, 137669, 143486, 275338, 286972, 550676, 727679, 1455358, 2910716, 5093753, 10187506, 20375012]

約数ペア:

[(1, 20375012), (2, 10187506), (4, 5093753), (7, 2910716), (14, 1455358), (28, 727679), (37, 550676), (71, 286972), (74, 275338), (142, 143486), (148, 137669), (259, 78668), (277, 73556), (284, 71743), (497, 40996), (518, 39334), (554, 36778), (994, 20498), (1036, 19667), (1108, 18389), (1939, 10508), (1988, 10249), (2627, 7756), (3878, 5254)]