20778318

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6173}}^1$

素因数の和:6209

約数の個数: 48

約数和(自身を含む): 52009776

約数和(自身を除く): 31231458

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 33, 34, 51, 66, 99, 102, 153, 187, 198, 306, 374, 561, 1122, 1683, 3366, 6173, 12346, 18519, 37038, 55557, 67903, 104941, 111114, 135806, 203709, 209882, 314823, 407418, 611127, 629646, 944469, 1154351, 1222254, 1888938, 2308702, 3463053, 6926106, 10389159, 20778318]

約数ペア:

[(1, 20778318), (2, 10389159), (3, 6926106), (6, 3463053), (9, 2308702), (11, 1888938), (17, 1222254), (18, 1154351), (22, 944469), (33, 629646), (34, 611127), (51, 407418), (66, 314823), (99, 209882), (102, 203709), (153, 135806), (187, 111114), (198, 104941), (306, 67903), (374, 55557), (561, 37038), (1122, 18519), (1683, 12346), (3366, 6173)]