20349798

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3643}}^1$

素因数の和:3681

約数の個数: 48

約数和(自身を含む): 49849920

約数和(自身を除く): 29500122

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 49, 57, 98, 114, 133, 147, 266, 294, 399, 798, 931, 1862, 2793, 3643, 5586, 7286, 10929, 21858, 25501, 51002, 69217, 76503, 138434, 153006, 178507, 207651, 357014, 415302, 484519, 535521, 969038, 1071042, 1453557, 2907114, 3391633, 6783266, 10174899, 20349798]

約数ペア:

[(1, 20349798), (2, 10174899), (3, 6783266), (6, 3391633), (7, 2907114), (14, 1453557), (19, 1071042), (21, 969038), (38, 535521), (42, 484519), (49, 415302), (57, 357014), (98, 207651), (114, 178507), (133, 153006), (147, 138434), (266, 76503), (294, 69217), (399, 51002), (798, 25501), (931, 21858), (1862, 10929), (2793, 7286), (3643, 5586)]