20615346

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{541}}^1$

素因数の和:651

約数の個数: 48

約数和(自身を含む): 46926360

約数和(自身を除く): 26311014

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 73, 87, 146, 174, 219, 261, 438, 522, 541, 657, 1082, 1314, 1623, 2117, 3246, 4234, 4869, 6351, 9738, 12702, 15689, 19053, 31378, 38106, 39493, 47067, 78986, 94134, 118479, 141201, 236958, 282402, 355437, 710874, 1145297, 2290594, 3435891, 6871782, 10307673, 20615346]

約数ペア:

[(1, 20615346), (2, 10307673), (3, 6871782), (6, 3435891), (9, 2290594), (18, 1145297), (29, 710874), (58, 355437), (73, 282402), (87, 236958), (146, 141201), (174, 118479), (219, 94134), (261, 78986), (438, 47067), (522, 39493), (541, 38106), (657, 31378), (1082, 19053), (1314, 15689), (1623, 12702), (2117, 9738), (3246, 6351), (4234, 4869)]